Alkanesulfonic acids

Thermo Scientific™ MES Monohydrate, ≥98.5% (Dry Basis), Ultrapure, Thermo Scientific™

CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 MDL Number: MFCD00149409 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N Synonym: 2-4-morpholinyl ethanesulfonic acid hydrate, 2-morpholinoethanesulfonic acid hydrate, 4-morpholineethanesulfonic acid monohydrate, 4-morpholineethanesulfonic acid, monohydrate, 4-morpholineethanesulfonicacid, hydrate 1:1, mes buffer hydrate, mes hydrate, mes hydrate buffer, mes monohydrate, mesmonohydrate PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O

Ytterbium(III) triflate, 99.9%, (trace metal basis), anhydrous, ACROS Organics™

CAS: 54761-04-5 Molecular Formula: C3F9O9S3Yb Molecular Weight (g/mol): 620.25 InChI Key: AHZJKOKFZJYCLG-UHFFFAOYSA-K Synonym: trifluoromethanesulfonate; ytterbium 3+, unii-4n70osw24g, yb otf 3, ytterbium 3+ triflate, ytterbium 3+ tritriflate, ytterbium iii triflate, ytterbium iii trifluoromethanesulfonate, ytterbium triflate, ytterbium trifluoromethanesulfonate, ytterbium trifluoromethanesulphonate PubChem CID: 2733225 IUPAC Name: trifluoromethanesulfonate;ytterbium(3+) SMILES: C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].[Yb+3]

MES, Monohydrate, Free Acidline, Crystal, Ultrapure Bioreagent, J.T.Baker™

CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N Synonym: 2-4-morpholinyl ethanesulfonic acid hydrate, 2-morpholinoethanesulfonic acid hydrate, 4-morpholineethanesulfonic acid monohydrate, 4-morpholineethanesulfonic acid, monohydrate, 4-morpholineethanesulfonicacid, hydrate 1:1, mes buffer hydrate, mes hydrate, mes hydrate buffer, mes monohydrate, mesmonohydrate PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O

Trifluoromethanesulfonic Anhydride 98.0+%, TCI America™

CAS: 358-23-6 Molecular Formula: C2F6O5S2 Molecular Weight (g/mol): 282.127 MDL Number: MFCD00000408 InChI Key: WJKHJLXJJJATHN-UHFFFAOYSA-N Synonym: methanesulfonic acid, trifluoro-, anhydride, tf2o, triflic anhydride, trifluoromethane sulfonic anhydride, trifluoromethane sulfonyl trifluoromethanesulfonate, trifluoromethanesulfonic acid anhydride, trifluoromethanesulfonic anhydride, trifluoromethanesulphonic acid anhydride, trifluoromethanesulphonic anhydride, unii-8w034lhg1u PubChem CID: 67749 ChEBI: CHEBI:48509 IUPAC Name: trifluoromethylsulfonyl trifluoromethanesulfonate SMILES: C(F)(F)(F)S(=O)(=O)OS(=O)(=O)C(F)(F)F

Dioctyl sulfosuccinate, sodium salt, 96%, ACROS Organics™

CAS: 577-11-7 Molecular Formula: C20H37NaO7S Molecular Weight (g/mol): 444.559 InChI Key: APSBXTVYXVQYAB-UHFFFAOYSA-M Synonym: aerosol ot, clestol, complemix, constonate, defilin, dioctyl sodium sulfosuccinate, diomedicone, diox, docusate sodium, manoxol ot PubChem CID: 23673837 IUPAC Name: sodium;1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate SMILES: CCCCC(CC)COC(=O)CC(C(=O)OCC(CC)CCCC)S(=O)(=O)[O-].[Na+]

Trifluoromethanesulfonic acid, 99%, extra pure, ACROS Organics™

CAS: 1493-13-6 Molecular Formula: CHF3O3S Molecular Weight (g/mol): 150.07 InChI Key: ITMCEJHCFYSIIV-UHFFFAOYSA-N Synonym: hotf, methanesulfonic acid, trifluoro, perfluoromethanesulfonic acid, tfmsa, tfoh, triflic acid, trifluoromethane sulfonic acid, trifluoromethanesulphonic acid, trifluoromethylsulfonic acid, trimsylate PubChem CID: 62406 ChEBI: CHEBI:48511 IUPAC Name: trifluoromethanesulfonic acid SMILES: C(F)(F)(F)S(=O)(=O)O

MES (Fine White Crystals), Fisher BioReagents

CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N Synonym: 2-(4-Morpholino)ethane Sulfonic Acid, 2-(N-Morpholino)ethanesulfonic acid hydrate PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O

Di-tert-butylsilyl Bis(trifluoromethanesulfonate) 97.0+%, TCI America™

CAS: 85272-31-7 Molecular Formula: C10H18F6O6S2Si Molecular Weight (g/mol): 440.443 InChI Key: HUHKPYLEVGCJTG-UHFFFAOYSA-N Synonym: Di-tert-butylbis(trifluoromethanesulfonyloxy)silane, Di-tert-butylsilyl Ditriflate PubChem CID: 545813 IUPAC Name: [ditert-butyl(trifluoromethylsulfonyloxy)silyl] trifluoromethanesulfonate SMILES: CC(C)(C)[Si](C(C)(C)C)(OS(=O)(=O)C(F)(F)F)OS(=O)(=O)C(F)(F)F

Alfa Aesar™ Terbium(III) trifluoromethanesulfonate, 98%

CAS: 148980-31-8 Molecular Formula: C3F9O9S3Tb Molecular Weight (g/mol): 606.115 MDL Number: MFCD00192461 InChI Key: JLYAVYSVLLIWEK-UHFFFAOYSA-K Synonym: acmc-1byi6, tb otf 3, terbium iii triflate, terbium iii trifluoromethanesulfonate, terbium triflate, terbium trifluoromethanesulfonate, terbium tris trifluoromethanesulfonate, terbium tritriflate, trifluoromethanesulfonic acid terbium iii salt PubChem CID: 11786785 IUPAC Name: terbium(3+);trifluoromethanesulfonate SMILES: C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].[Tb+3]

Alfa Aesar™ Scandium(III) trifluoromethanesulfonate, 98%

CAS: 144026-79-9 Molecular Formula: C3F9O9S3Sc Molecular Weight (g/mol): 492.146 MDL Number: MFCD00798539 InChI Key: HZXJVDYQRYYYOR-UHFFFAOYSA-K Synonym: sc otf 3, scandium 3+ ; trifluoromethanesulfonate, scandium iii triflate, scandium iii trifluoromethanesulfonate, scandium iii trifluoromethanesulphonate, scandium triflate, scandium trifluoromethanesulfonate, scandium tris trifluoromethanesulfonate, scandiumtriflate, trifluoromethanesulfonic acid scandium iii salt PubChem CID: 2734571 IUPAC Name: scandium(3+);trifluoromethanesulfonate SMILES: C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].[Sc+3]

MilliporeSigma™ MES, Monohydrate, OmniPur™, Calbiochem™,

CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N Synonym: 2-4-morpholinyl ethanesulfonic acid hydrate, 2-morpholinoethanesulfonic acid hydrate, 4-morpholineethanesulfonic acid monohydrate, 4-morpholineethanesulfonic acid, monohydrate, 4-morpholineethanesulfonicacid, hydrate 1:1, mes buffer hydrate, mes hydrate, mes hydrate buffer, mes monohydrate, mesmonohydrate PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O

MOPS (Fine White Crystals/Molecular Biology), Fisher BioReagents

CAS: 1132-61-2 Molecular Formula: C7H15NO4S Molecular Weight (g/mol): 209.26 InChI Key: DVLFYONBTKHTER-UHFFFAOYSA-N Synonym: 3-(4-Morpholino)propane sulfonic acid PubChem CID: 70807 ChEBI: CHEBI:44115 IUPAC Name: 3-morpholin-4-ylpropane-1-sulfonic acid SMILES: C1COCCN1CCCS(=O)(=O)O

Triethylsilyl Trifluoromethanesulfonate 98.0+%, TCI America™

CAS: 79271-56-0 Molecular Formula: C7H15F3O3SSi Molecular Weight (g/mol): 264.334 MDL Number: MFCD00000407 InChI Key: STMPXDBGVJZCEX-UHFFFAOYSA-N Synonym: 1,1,1-triethylsilyl trifluoromethanesulfonate, et3siotf, methanesulfonic acid, trifluoro-, triethylsilyl ester, tes triflate, tesotf, triethylsilyl triflate, triethylsilyl trifluoromethanesulphonate, triethylsilyltriflate, triethylsilyltrifluoromethanesulfonate, trifluoromethanesulfonic acid triethylsilyl ester PubChem CID: 2733308 IUPAC Name: triethylsilyl trifluoromethanesulfonate SMILES: CC[Si](CC)(CC)OS(=O)(=O)C(F)(F)F

MES monohydrate, 99+%, for biochemistry, ACROS Organics™

CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 MDL Number: MFCD00149409 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N Synonym: 2-(N-Morpholino)ethanesulfonic acid monohydrate PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O

2-Morpholinoethanesulfonic Acid 99.0+%, TCI America™

CAS: 4432-31-9 Molecular Formula: C6H13NO4S Molecular Weight (g/mol): 195.233 MDL Number: MFCD00006181 InChI Key: SXGZJKUKBWWHRA-UHFFFAOYSA-N Synonym: 2-4-morpholinyl ethanesulfonic acid, 2-morpholinoethanesulfonic acid, 2-morpholinoethanesulphonic acid, 2-n-morpholino ethanesulfonic acid, 4-morpholineethanesulfonic acid, 4-morpholinethanesulfonic acid, mes, mes buffering agent, morpholineethanesulfonic acid, morpholino-n-ethylsulfonate PubChem CID: 78165 ChEBI: CHEBI:39005 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid SMILES: C1COCCN1CCS(=O)(=O)O

Triisopropylsilyl Trifluoromethanesulfonate 98.0+%, TCI America™

CAS: 80522-42-5 Molecular Formula: C10H21F3O3SSi Molecular Weight (g/mol): 306.415 MDL Number: MFCD00009913 InChI Key: LHJCZOXMCGQVDQ-UHFFFAOYSA-N Synonym: methanesulfonic acid, trifluoro-, tris 1-methylethyl silyl ester, tips triflate, tips-otf, trifluoromethanesulfonic acid triisopropylsilyl ester, triisopropylsilyl triflate, triisopropylsilyl trifluoromethanesulfonate, triisopropylsilyl trifluoromethanesulphonate, triisopropylsilyl-trifluoromethanesulfonate, triisopropylsilyltrifluoromethanesulfonate, wacker silane ip3-triflate PubChem CID: 2724529 IUPAC Name: tri(propan-2-yl)silyl trifluoromethanesulfonate SMILES: CC(C)[Si](C(C)C)(C(C)C)OS(=O)(=O)C(F)(F)F

Trimethylsilyl Trifluoromethanesulfonate 98.0+%, TCI America™

CAS: 27607-77-8 Molecular Formula: C4H9F3O3SSi Molecular Weight (g/mol): 222.253 MDL Number: MFCD00000406 InChI Key: FTVLMFQEYACZNP-UHFFFAOYSA-N Synonym: methanesulfonic acid, trifluoro-, trimethylsilyl ester, tmsotf, trifluoromethanesulfonic acid trimethylsilyl ester, trimethylsilyl triflate, trimethylsilyl trifluoromethanesulphonate, trimethylsilyl trifluoromethylsulfonate, trimethylsilyl trifluoromethylsulphonate, trimethylsilyltrifluoromethanesulphonate, trimethylsllytrifluoromethanesulphonate, unii-z84v0cbh9j PubChem CID: 65367 IUPAC Name: trimethylsilyl trifluoromethanesulfonate SMILES: C[Si](C)(C)OS(=O)(=O)C(F)(F)F

Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98%, ACROS Organics™

CAS: 886-86-2 Molecular Formula: C9H11NO2·CH4O3S Molecular Weight (g/mol): 261.29 MDL Number: MFCD00013176 InChI Key: FQZJYWMRQDKBQN-UHFFFAOYSA-N Synonym: 3-aminobenzoic acid ethyl ester methanesulfonate, 3-aminobenzoic acid ethyl ester methanesulfonate salt, ethyl 3-aminobenzoate methanesulfonate, ethyl 3-aminobenzoate methanesulfonic acid salt, ethyl m-aminobenzoate methanesulfonate, finquel, metacaine, tricaine, tricaine mesylate, tricaine methanesulfonate PubChem CID: 261501 IUPAC Name: ethyl 3-aminobenzoate;methanesulfonic acid SMILES: CCOC(=O)C1=CC(=CC=C1)N.CS(=O)(=O)O

MES sodium salt, 99%, ACROS Organics™

CAS: 71119-23-8 Molecular Formula: C6H12NNaO4S Molecular Weight (g/mol): 217.215 MDL Number: MFCD00065473 InChI Key: IRHWMYKYLWNHTL-UHFFFAOYSA-M PubChem CID: 23673676 ChEBI: CHEBI:62955 IUPAC Name: sodium;2-morpholin-4-ylethanesulfonate SMILES: C1COCCN1CCS(=O)(=O)[O-].[Na+]

Lithium Trifluoromethanesulfonate 98.0+%, TCI America™

CAS: 33454-82-9 Molecular Formula: CF3LiO3S Molecular Weight (g/mol): 156.003 MDL Number: MFCD00013227 InChI Key: MCVFFRWZNYZUIJ-UHFFFAOYSA-M Synonym: li triflate, lithium 1+ ion trifluoromethanesulfonate, lithium triflate, lithium trifluoromethanesulfonate, lithium trifluoromethanesulphonate, methanesulfonic acid, 1,1,1-trifluoro-, lithium salt 1:1, methanesulfonic acid, trifluoro-, lithium salt, trifluoromethanesulfonic acid lithium salt, trifluoromethanesulfonic acid, lithium salt, unii-1c966kv50i PubChem CID: 3664839 IUPAC Name: lithium;trifluoromethanesulfonate SMILES: [Li+].C(F)(F)(F)S(=O)(=O)[O-]

Methyl Trifluoromethanesulfonate 98.0+%, TCI America™

CAS: 333-27-7 Molecular Formula: C2H3F3O3S Molecular Weight (g/mol): 164.098 MDL Number: MFCD00000409 InChI Key: OIRDBPQYVWXNSJ-UHFFFAOYSA-N Synonym: ccris 1158, methanesulfonic acid, 1,1,1-trifluoro-, methyl ester, methanesulfonic acid, trifluoro-, methyl ester, methyl triflate, methyl trifluoromethane sulfonate, methyl trifluoromethanesulphonate, methyltrifluoromethanesulfonate, triflate ester, trifluoromethanesulfonic acid methyl ester, unii-7b25z22epv PubChem CID: 9526 IUPAC Name: methyl trifluoromethanesulfonate SMILES: COS(=O)(=O)C(F)(F)F

Alfa Aesar™ MES, 1.0M buffer soln., pH 5.5

CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 MDL Number: MFCD00283848 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O

Scandium(III) Trifluoromethanesulfonate 98.0+%, TCI America™

CAS: 144026-79-9 Molecular Formula: C3F9O9S3Sc Molecular Weight (g/mol): 492.146 MDL Number: MFCD00192433 InChI Key: HZXJVDYQRYYYOR-UHFFFAOYSA-K Synonym: sc otf 3, scandium 3+ ; trifluoromethanesulfonate, scandium iii triflate, scandium iii trifluoromethanesulfonate, scandium iii trifluoromethanesulphonate, scandium triflate, scandium trifluoromethanesulfonate, scandium tris trifluoromethanesulfonate, scandiumtriflate, trifluoromethanesulfonic acid scandium iii salt PubChem CID: 2734571 IUPAC Name: scandium(3+);trifluoromethanesulfonate SMILES: C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].[Sc+3]

Alfa Aesar™ Trifluoromethanesulfonic anhydride, 98%

CAS: 358-23-6 Molecular Formula: C2F6O5S2 Molecular Weight (g/mol): 282.127 MDL Number: MFCD00000408 InChI Key: WJKHJLXJJJATHN-UHFFFAOYSA-N Synonym: methanesulfonic acid, trifluoro-, anhydride, tf2o, triflic anhydride, trifluoromethane sulfonic anhydride, trifluoromethane sulfonyl trifluoromethanesulfonate, trifluoromethanesulfonic acid anhydride, trifluoromethanesulfonic anhydride, trifluoromethanesulphonic acid anhydride, trifluoromethanesulphonic anhydride, unii-8w034lhg1u PubChem CID: 67749 ChEBI: CHEBI:48509 IUPAC Name: trifluoromethylsulfonyl trifluoromethanesulfonate SMILES: C(F)(F)(F)S(=O)(=O)OS(=O)(=O)C(F)(F)F

tert-Butyldimethylsilyl Trifluoromethanesulfonate 98.0+%, TCI America™

CAS: 69739-34-0 Molecular Formula: C7H15F3O3SSi Molecular Weight (g/mol): 264.334 MDL Number: MFCD00000405 InChI Key: WLLIXJBWWFGEHT-UHFFFAOYSA-N Synonym: silane tbm2 triflate, t-butyldimethylsilyl triflate, t-butyldimethylsilyltrifluoromethanesulfonate, t-butylmethylsilyl triflate, tbdms triflate, tbdms-otf, tert-butyldimethylsilyl triflate, tert-butyldimethylsilyl trifluoromethanesulfonate, tert-butyldimethylsilyl trifluoromethanesulphonate, trifluoromethanesulfonic acid tert-butyldimethylsilyl ester PubChem CID: 123564 IUPAC Name: [tert-butyl(dimethyl)silyl] trifluoromethanesulfonate SMILES: CC(C)(C)[Si](C)(C)OS(=O)(=O)C(F)(F)F

Zinc(II) Trifluoromethanesulfonate 98.0+%, TCI America™

CAS: 54010-75-2 Molecular Formula: C2F6O6S2Zn Molecular Weight (g/mol): 363.506 MDL Number: MFCD00013229 InChI Key: CITILBVTAYEWKR-UHFFFAOYSA-L Synonym: methanesulfonic acid, 1,1,1-trifluoro-, zinc salt 2:1, methanesulfonic acid, trifluoro-, zinc salt, zinc 2+ ion ditriflate, zinc ii triflate, zinc ii trifluoromethanesulfonate, zinc ii trifluoromethanesulphonate, zinc triflate, zinc trifluoromethanesulfonate, zinc trifluoromethanesulphonate, zn otf 2 PubChem CID: 104671 IUPAC Name: zinc;trifluoromethanesulfonate SMILES: C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].[Zn+2]

Tricaine 97.0+%, TCI America™

CAS: 886-86-2 Molecular Formula: C10H15NO5S Molecular Weight (g/mol): 261.292 MDL Number: MFCD00013176 InChI Key: FQZJYWMRQDKBQN-UHFFFAOYSA-N Synonym: 3-aminobenzoic acid ethyl ester methanesulfonate, 3-aminobenzoic acid ethyl ester methanesulfonate salt, ethyl 3-aminobenzoate methanesulfonate, ethyl 3-aminobenzoate methanesulfonic acid salt, ethyl m-aminobenzoate methanesulfonate, finquel, metacaine, tricaine, tricaine mesylate, tricaine methanesulfonate PubChem CID: 261501 IUPAC Name: ethyl 3-aminobenzoate;methanesulfonic acid SMILES: CCOC(=O)C1=CC(=CC=C1)N.CS(=O)(=O)O

Copper(II) Trifluoromethanesulfonate 98.0+%, TCI America™

CAS: 34946-82-2 Molecular Formula: CHCuF3O3S Molecular Weight (g/mol): 213.617 MDL Number: MFCD00077492 InChI Key: GZWXEFRPSWBAGC-UHFFFAOYSA-N Synonym: copper; trifluoromethanesulfonic acid PubChem CID: 45051791 IUPAC Name: copper;trifluoromethanesulfonic acid SMILES: C(F)(F)(F)S(=O)(=O)O.[Cu]

Lanthanum(III) trifluoromethanesulfonate, 99%, ACROS Organics™

CAS: 52093-26-2 Molecular Formula: C3F9LaO9S3 Molecular Weight (g/mol): 586.1 MDL Number: MFCD00077560 InChI Key: WGJJZRVGLPOKQT-UHFFFAOYSA-K Synonym: la otf 3, lanthanum 3+ ; trifluoromethanesulfonate, lanthanum 3+ tritriflate, lanthanum iii triflate, lanthanum iii trifluoromethanesulfonate, lanthanum triflate, lanthanum trifluoromethanesulfonate, lanthanum tris trifluoromethanesulfonate, trifluoromethanesulfonic acid lanthanum salt, tris trifluoromethanesulfonato lanthanum PubChem CID: 2733938 IUPAC Name: lanthanum(3+);trifluoromethanesulfonate SMILES: C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S(=O)(=O)[O-].[La+3]

Trimethylsilyl trifluoromethanesulfonate, 99%, ACROS Organics™

CAS: 27607-77-8 Molecular Formula: C4H9F3O3SSi Molecular Weight (g/mol): 222.26 MDL Number: MFCD00000406 InChI Key: FTVLMFQEYACZNP-UHFFFAOYSA-N Synonym: methanesulfonic acid, trifluoro-, trimethylsilyl ester, tmsotf, trifluoromethanesulfonic acid trimethylsilyl ester, trimethylsilyl triflate, trimethylsilyl trifluoromethanesulphonate, trimethylsilyl trifluoromethylsulfonate, trimethylsilyl trifluoromethylsulphonate, trimethylsilyltrifluoromethanesulphonate, trimethylsllytrifluoromethanesulphonate, unii-z84v0cbh9j PubChem CID: 65367 IUPAC Name: trimethylsilyl trifluoromethanesulfonate SMILES: C[Si](C)(C)OS(=O)(=O)C(F)(F)F

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