Carbonyl compounds
Filtered Search Results
Octyl aldehyde, 99%
CAS: 124-13-0 Molecular Formula: C8H16O Molecular Weight (g/mol): 128.22 MDL Number: MFCD00007029 InChI Key: NUJGJRNETVAIRJ-UHFFFAOYSA-N Synonym: caprylic aldehyde,caprylaldehyde,n-octanal,1-octanal,n-octyl aldehyde,n-octaldehyde,n-caprylaldehyde,octanaldehyde,aldehyde c-8,n-octylal PubChem CID: 454 ChEBI: CHEBI:17935 IUPAC Name: octanal SMILES: CCCCCCCC=O
| PubChem CID | 454 |
|---|---|
| CAS | 124-13-0 |
| Molecular Weight (g/mol) | 128.22 |
| ChEBI | CHEBI:17935 |
| MDL Number | MFCD00007029 |
| SMILES | CCCCCCCC=O |
| Synonym | caprylic aldehyde,caprylaldehyde,n-octanal,1-octanal,n-octyl aldehyde,n-octaldehyde,n-caprylaldehyde,octanaldehyde,aldehyde c-8,n-octylal |
| IUPAC Name | octanal |
| InChI Key | NUJGJRNETVAIRJ-UHFFFAOYSA-N |
| Molecular Formula | C8H16O |
Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)europium(III)
CAS: 15522-71-1 Molecular Formula: C33H60EuO6 Molecular Weight (g/mol): 704.801 MDL Number: MFCD00000019 InChI Key: RHXUZKJNHAMZEP-QFVJJVGWSA-N Synonym: eu dpm 3,tris 2,2,6,6-tetramethyl-3,5-heptanedionato europium,tris 2,2,6,6-tetramethyl-3,5-heptanedionato europium iii,resolve-al tm,europium iii-dpm,eu tmhd 3,europium 2,2,6,6-tetramethyl-3,5-heptanedionate,europium-tris dipivaloylmethane,tris 2,2,6,6-tetramethyl-3,5-heptanedionato europium 3 PubChem CID: 10897800 IUPAC Name: europium;(E)-5-hydroxy-2,2,6,6-tetramethylhept-4-en-3-one SMILES: CC(C)(C)C(=CC(=O)C(C)(C)C)O.CC(C)(C)C(=CC(=O)C(C)(C)C)O.CC(C)(C)C(=CC(=O)C(C)(C)C)O.[Eu]
| PubChem CID | 10897800 |
|---|---|
| CAS | 15522-71-1 |
| Molecular Weight (g/mol) | 704.801 |
| MDL Number | MFCD00000019 |
| SMILES | CC(C)(C)C(=CC(=O)C(C)(C)C)O.CC(C)(C)C(=CC(=O)C(C)(C)C)O.CC(C)(C)C(=CC(=O)C(C)(C)C)O.[Eu] |
| Synonym | eu dpm 3,tris 2,2,6,6-tetramethyl-3,5-heptanedionato europium,tris 2,2,6,6-tetramethyl-3,5-heptanedionato europium iii,resolve-al tm,europium iii-dpm,eu tmhd 3,europium 2,2,6,6-tetramethyl-3,5-heptanedionate,europium-tris dipivaloylmethane,tris 2,2,6,6-tetramethyl-3,5-heptanedionato europium 3 |
| IUPAC Name | europium;(E)-5-hydroxy-2,2,6,6-tetramethylhept-4-en-3-one |
| InChI Key | RHXUZKJNHAMZEP-QFVJJVGWSA-N |
| Molecular Formula | C33H60EuO6 |
6-(tetrahydropyran-4-yloxy)pyridine-2-carbaldehyde, Thermo Scientific™
CAS: 898289-54-8 Molecular Formula: C11H13NO3 Molecular Weight (g/mol): 207.229 InChI Key: SBTGZJPHUYLRRU-UHFFFAOYSA-N Synonym: 6-tetrahydropyran-4-yloxy pyridine-2-carbaldehyde,6-oxan-4-yloxy pyridine-2-carbaldehyde,6-oxan-4-yl oxy pyridine-2-carbaldehyde,6-tetrahydro-2h-pyran-4-yl oxy picolinaldehyde,6-2h-3,4,5,6-tetrahydropyran-4-yloxy pyridine-2-carbaldehyde PubChem CID: 45594294 IUPAC Name: 6-(oxan-4-yloxy)pyridine-2-carbaldehyde SMILES: C1COCCC1OC2=CC=CC(=N2)C=O
| PubChem CID | 45594294 |
|---|---|
| CAS | 898289-54-8 |
| Molecular Weight (g/mol) | 207.229 |
| SMILES | C1COCCC1OC2=CC=CC(=N2)C=O |
| Synonym | 6-tetrahydropyran-4-yloxy pyridine-2-carbaldehyde,6-oxan-4-yloxy pyridine-2-carbaldehyde,6-oxan-4-yl oxy pyridine-2-carbaldehyde,6-tetrahydro-2h-pyran-4-yl oxy picolinaldehyde,6-2h-3,4,5,6-tetrahydropyran-4-yloxy pyridine-2-carbaldehyde |
| IUPAC Name | 6-(oxan-4-yloxy)pyridine-2-carbaldehyde |
| InChI Key | SBTGZJPHUYLRRU-UHFFFAOYSA-N |
| Molecular Formula | C11H13NO3 |
6-Fluorosalicylaldehyde, 97%, Thermo Scientific Chemicals
CAS: 38226-10-7 Molecular Formula: C7H5FO2 Molecular Weight (g/mol): 140.113 MDL Number: MFCD01090996 InChI Key: FZIBGCDUHZBOLA-UHFFFAOYSA-N Synonym: 6-fluorosalicylaldehyde,3-fluoro-2-formylphenol,benzaldehyde, 2-fluoro-6-hydroxy,6-fluoro-2-hydroxybenzaldehyde,pubchem8482,acmc-20a0l1,6-fluorosalicyaldehyde,ksc497m7f,2-hydroxy-6-fluorobenzaldehyde,2-fluoro-6-hydroxy-benzaldehyde PubChem CID: 2737327 IUPAC Name: 2-fluoro-6-hydroxybenzaldehyde SMILES: C1=CC(=C(C(=C1)F)C=O)O
| PubChem CID | 2737327 |
|---|---|
| CAS | 38226-10-7 |
| Molecular Weight (g/mol) | 140.113 |
| MDL Number | MFCD01090996 |
| SMILES | C1=CC(=C(C(=C1)F)C=O)O |
| Synonym | 6-fluorosalicylaldehyde,3-fluoro-2-formylphenol,benzaldehyde, 2-fluoro-6-hydroxy,6-fluoro-2-hydroxybenzaldehyde,pubchem8482,acmc-20a0l1,6-fluorosalicyaldehyde,ksc497m7f,2-hydroxy-6-fluorobenzaldehyde,2-fluoro-6-hydroxy-benzaldehyde |
| IUPAC Name | 2-fluoro-6-hydroxybenzaldehyde |
| InChI Key | FZIBGCDUHZBOLA-UHFFFAOYSA-N |
| Molecular Formula | C7H5FO2 |
D-(+)-Maltose monohydrate, 95 to 98%, MP Biomedicals™
CAS: 6363-53-7 Molecular Formula: C12H24O12 Molecular Weight (g/mol): 360.31 MDL Number: MFCD00149343 InChI Key: HBDJFVFTHLOSDW-UHFFFAOYNA-N Synonym: d-+-maltose monohydrate,unii-dm477ee40d,2r,3r,4r,5r-2,3,5,6-tetrahydroxy-4-2r,3r,4s,5s,6r-3,4,5-trihydroxy-6-hydroxymethyl oxan-2-yl oxy hexanal hydrate,beta-maltose monohydrate,d-+-maltosemonohydrate,69-79-4 anhydrous,d +-maltose monohydrate,d-+-maltose monohydrate, puriss.,d-+-maltose monohydrate, analytical standard,d-+-maltose monohydrate, bioxtra IUPAC Name: 2,3,5,6-tetrahydroxy-4-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}hexanal hydrate SMILES: O.OCC(O)C(OC1OC(CO)C(O)C(O)C1O)C(O)C(O)C=O
| CAS | 6363-53-7 |
|---|---|
| Molecular Weight (g/mol) | 360.31 |
| MDL Number | MFCD00149343 |
| SMILES | O.OCC(O)C(OC1OC(CO)C(O)C(O)C1O)C(O)C(O)C=O |
| Synonym | d-+-maltose monohydrate,unii-dm477ee40d,2r,3r,4r,5r-2,3,5,6-tetrahydroxy-4-2r,3r,4s,5s,6r-3,4,5-trihydroxy-6-hydroxymethyl oxan-2-yl oxy hexanal hydrate,beta-maltose monohydrate,d-+-maltosemonohydrate,69-79-4 anhydrous,d +-maltose monohydrate,d-+-maltose monohydrate, puriss.,d-+-maltose monohydrate, analytical standard,d-+-maltose monohydrate, bioxtra |
| IUPAC Name | 2,3,5,6-tetrahydroxy-4-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}hexanal hydrate |
| InChI Key | HBDJFVFTHLOSDW-UHFFFAOYNA-N |
| Molecular Formula | C12H24O12 |
6-Methoxypyridine-3-carboxaldehyde, 98%
CAS: 65873-72-5 Molecular Formula: C7H7NO2 Molecular Weight (g/mol): 137.14 MDL Number: MFCD02683446 InChI Key: CTAIEPPAOULMFY-UHFFFAOYSA-N Synonym: 6-methoxynicotinaldehyde,6-methoxy-3-pyridinecarboxaldehyde,5-formyl-2-methoxypyridine,2-methoxypyridine-5-carboxaldehyde,5-formyl-2-methoxy-pyridine,6-methoxy-pyridine-3-carbaldehyde,6-methoxypyridine-3-carboxaldehyde,3-pyridinecarboxaldehyde, 6-methoxy,6-methoxy-3-nicotinaldehyde,pubchem5152 PubChem CID: 3364576 IUPAC Name: 6-methoxypyridine-3-carbaldehyde SMILES: COC1=CC=C(C=O)C=N1
| PubChem CID | 3364576 |
|---|---|
| CAS | 65873-72-5 |
| Molecular Weight (g/mol) | 137.14 |
| MDL Number | MFCD02683446 |
| SMILES | COC1=CC=C(C=O)C=N1 |
| Synonym | 6-methoxynicotinaldehyde,6-methoxy-3-pyridinecarboxaldehyde,5-formyl-2-methoxypyridine,2-methoxypyridine-5-carboxaldehyde,5-formyl-2-methoxy-pyridine,6-methoxy-pyridine-3-carbaldehyde,6-methoxypyridine-3-carboxaldehyde,3-pyridinecarboxaldehyde, 6-methoxy,6-methoxy-3-nicotinaldehyde,pubchem5152 |
| IUPAC Name | 6-methoxypyridine-3-carbaldehyde |
| InChI Key | CTAIEPPAOULMFY-UHFFFAOYSA-N |
| Molecular Formula | C7H7NO2 |
2-Chloropyridine-4-carboxaldehyde, 97%
CAS: 101066-61-9 Molecular Formula: C6H4ClNO Molecular Weight (g/mol): 141.55 MDL Number: MFCD06651557 InChI Key: UFPOSTQMFOYHJI-UHFFFAOYSA-N Synonym: 2-chloroisonicotinaldehyde,2-chloro-4-pyridinecarboxaldehyde,2-chloro-4-formylpyridine,2-chloro-pyridine-4-carbaldehyde,2-chloropyridine-4-carboxaldehyde,4-pyridinecarboxaldehyde, 2-chloro,pubchem5099,6-chloroisonicotinaldehyde,ksc180g9n,2-chloropyridin-4-carbaldehyde PubChem CID: 2762994 IUPAC Name: 2-chloropyridine-4-carbaldehyde SMILES: ClC1=CC(C=O)=CC=N1
| PubChem CID | 2762994 |
|---|---|
| CAS | 101066-61-9 |
| Molecular Weight (g/mol) | 141.55 |
| MDL Number | MFCD06651557 |
| SMILES | ClC1=CC(C=O)=CC=N1 |
| Synonym | 2-chloroisonicotinaldehyde,2-chloro-4-pyridinecarboxaldehyde,2-chloro-4-formylpyridine,2-chloro-pyridine-4-carbaldehyde,2-chloropyridine-4-carboxaldehyde,4-pyridinecarboxaldehyde, 2-chloro,pubchem5099,6-chloroisonicotinaldehyde,ksc180g9n,2-chloropyridin-4-carbaldehyde |
| IUPAC Name | 2-chloropyridine-4-carbaldehyde |
| InChI Key | UFPOSTQMFOYHJI-UHFFFAOYSA-N |
| Molecular Formula | C6H4ClNO |
2-(Cyclopropylmethoxy)pyridine-3-carboxaldehyde, 97%
CAS: 902835-88-5 Molecular Formula: C10H11NO2 Molecular Weight (g/mol): 177.203 MDL Number: MFCD07781136 InChI Key: AEOXNPSSZSDLDK-UHFFFAOYSA-N Synonym: 2-cyclopropylmethoxy nicotinaldehyde,2-cyclopropylmethoxy pyridine-3-carbaldehyde,2-cyclopropylmethoxy pyridine-3-carboxaldehyde,2-cyclopropylmethoxy-pyridine-3-carbaldehyde,2-cyclopropyl-methoxy pyridine-3-carbaldehyde PubChem CID: 42553129 IUPAC Name: 2-(cyclopropylmethoxy)pyridine-3-carbaldehyde SMILES: C1CC1COC2=C(C=CC=N2)C=O
| PubChem CID | 42553129 |
|---|---|
| CAS | 902835-88-5 |
| Molecular Weight (g/mol) | 177.203 |
| MDL Number | MFCD07781136 |
| SMILES | C1CC1COC2=C(C=CC=N2)C=O |
| Synonym | 2-cyclopropylmethoxy nicotinaldehyde,2-cyclopropylmethoxy pyridine-3-carbaldehyde,2-cyclopropylmethoxy pyridine-3-carboxaldehyde,2-cyclopropylmethoxy-pyridine-3-carbaldehyde,2-cyclopropyl-methoxy pyridine-3-carbaldehyde |
| IUPAC Name | 2-(cyclopropylmethoxy)pyridine-3-carbaldehyde |
| InChI Key | AEOXNPSSZSDLDK-UHFFFAOYSA-N |
| Molecular Formula | C10H11NO2 |
5-Iodo-2-furaldehyde, 97%
CAS: 2689-65-8 Molecular Formula: C5H3IO2 Molecular Weight (g/mol): 221.981 MDL Number: MFCD00159503 InChI Key: QPGPCPKDVSPJAY-UHFFFAOYSA-N Synonym: 5-iodo-2-furaldehyde,5-iodofurfural,5-iodo-2-furancarboxaldehyde,5-iodo-2-furaldehdye,2-furancarboxaldehyde, 5-iodo,5-iodofuraldehyde,acmc-209gtv,5-iodofurancarboxaldehyde,5-iodanylfuran-2-carbaldehyde PubChem CID: 693264 IUPAC Name: 5-iodofuran-2-carbaldehyde SMILES: C1=C(OC(=C1)I)C=O
| PubChem CID | 693264 |
|---|---|
| CAS | 2689-65-8 |
| Molecular Weight (g/mol) | 221.981 |
| MDL Number | MFCD00159503 |
| SMILES | C1=C(OC(=C1)I)C=O |
| Synonym | 5-iodo-2-furaldehyde,5-iodofurfural,5-iodo-2-furancarboxaldehyde,5-iodo-2-furaldehdye,2-furancarboxaldehyde, 5-iodo,5-iodofuraldehyde,acmc-209gtv,5-iodofurancarboxaldehyde,5-iodanylfuran-2-carbaldehyde |
| IUPAC Name | 5-iodofuran-2-carbaldehyde |
| InChI Key | QPGPCPKDVSPJAY-UHFFFAOYSA-N |
| Molecular Formula | C5H3IO2 |
Benzo[b]furan-2-carboxaldehyde, 96%
CAS: 4265-16-1 MDL Number: MFCD00015463 InChI Key: ADDZHRRCUWNSCS-UHFFFAOYSA-N Synonym: benzo b furan-2-carboxaldehyde,2-benzofurancarboxaldehyde,benzofuran-2-carbaldehyde,benzofuran-2-carboxaldehyde,2-formylbenzofuran,2-benzofurancarbaldehyde,coumarilaldehyde,1-benzofuran-2-carboxaldehyde,benzofuran-2-aldehyde,benzo b-2-furfural PubChem CID: 61341 IUPAC Name: 1-benzofuran-2-carbaldehyde SMILES: C1=CC=C2C(=C1)C=C(O2)C=O
| PubChem CID | 61341 |
|---|---|
| CAS | 4265-16-1 |
| MDL Number | MFCD00015463 |
| SMILES | C1=CC=C2C(=C1)C=C(O2)C=O |
| Synonym | benzo b furan-2-carboxaldehyde,2-benzofurancarboxaldehyde,benzofuran-2-carbaldehyde,benzofuran-2-carboxaldehyde,2-formylbenzofuran,2-benzofurancarbaldehyde,coumarilaldehyde,1-benzofuran-2-carboxaldehyde,benzofuran-2-aldehyde,benzo b-2-furfural |
| IUPAC Name | 1-benzofuran-2-carbaldehyde |
| InChI Key | ADDZHRRCUWNSCS-UHFFFAOYSA-N |
2-Methyl-5-phenyl-3-furaldehyde, 97%, Thermo Scientific™
CAS: 321309-42-6 Molecular Formula: C12H10O2 Molecular Weight (g/mol): 186.21 MDL Number: MFCD02681964 InChI Key: QRBXYIYZWZGINC-UHFFFAOYSA-N PubChem CID: 2795313 IUPAC Name: 2-methyl-5-phenylfuran-3-carbaldehyde SMILES: CC1=C(C=C(O1)C2=CC=CC=C2)C=O
| PubChem CID | 2795313 |
|---|---|
| CAS | 321309-42-6 |
| Molecular Weight (g/mol) | 186.21 |
| MDL Number | MFCD02681964 |
| SMILES | CC1=C(C=C(O1)C2=CC=CC=C2)C=O |
| IUPAC Name | 2-methyl-5-phenylfuran-3-carbaldehyde |
| InChI Key | QRBXYIYZWZGINC-UHFFFAOYSA-N |
| Molecular Formula | C12H10O2 |
1,3-Dimethyl-1H-pyrazole-5-carbaldehyde, ≥90%, Thermo Scientific™
CAS: 25016-09-5 Molecular Formula: C6H8N2O Molecular Weight (g/mol): 124.143 MDL Number: MFCD02681907 InChI Key: JWYFGNVBKRJGTN-UHFFFAOYSA-N PubChem CID: 2776362 IUPAC Name: 2,5-dimethylpyrazole-3-carbaldehyde SMILES: CC1=NN(C(=C1)C=O)C
| PubChem CID | 2776362 |
|---|---|
| CAS | 25016-09-5 |
| Molecular Weight (g/mol) | 124.143 |
| MDL Number | MFCD02681907 |
| SMILES | CC1=NN(C(=C1)C=O)C |
| IUPAC Name | 2,5-dimethylpyrazole-3-carbaldehyde |
| InChI Key | JWYFGNVBKRJGTN-UHFFFAOYSA-N |
| Molecular Formula | C6H8N2O |
6-chloropyridine-3-carboxaldehyde, 97%
CAS: 23100-12-1 Molecular Formula: C6H4ClNO Molecular Weight (g/mol): 141.56 MDL Number: MFCD03095223 InChI Key: AFWWKZCPPRPDQK-UHFFFAOYSA-N Synonym: 6-chloronicotinaldehyde,2-chloropyridine-5-carbaldehyde,2-chloropyridine-5-carboxaldehyde,6-chloropyridine-3-carboxaldehyde,2-chloro-5-formylpyridine,6-chloro-pyridine-3-carbaldehyde,6-chloro-3-pyridinecarboxaldehyde,2-chloro-5-pyridine carbaldehyde,6-chloro-pyridin-3-carbaldehyde,2-chloro-5-pyridinecarboxaldehyde PubChem CID: 2764053 IUPAC Name: 6-chloropyridine-3-carbaldehyde SMILES: C1=CC(=NC=C1C=O)Cl
| PubChem CID | 2764053 |
|---|---|
| CAS | 23100-12-1 |
| Molecular Weight (g/mol) | 141.56 |
| MDL Number | MFCD03095223 |
| SMILES | C1=CC(=NC=C1C=O)Cl |
| Synonym | 6-chloronicotinaldehyde,2-chloropyridine-5-carbaldehyde,2-chloropyridine-5-carboxaldehyde,6-chloropyridine-3-carboxaldehyde,2-chloro-5-formylpyridine,6-chloro-pyridine-3-carbaldehyde,6-chloro-3-pyridinecarboxaldehyde,2-chloro-5-pyridine carbaldehyde,6-chloro-pyridin-3-carbaldehyde,2-chloro-5-pyridinecarboxaldehyde |
| IUPAC Name | 6-chloropyridine-3-carbaldehyde |
| InChI Key | AFWWKZCPPRPDQK-UHFFFAOYSA-N |
| Molecular Formula | C6H4ClNO |
3,5-Dichloro-4-hydroxybenzaldehyde, 97%, Thermo Scientific™
CAS: 2314-36-5 Molecular Formula: C7H4Cl2O2 Molecular Weight (g/mol): 191.007 MDL Number: MFCD00017605 InChI Key: LIYGCLJYTHRBQV-UHFFFAOYSA-N Synonym: benzaldehyde, 3,5-dichloro-4-hydroxy,3,5-dichloro-4-hydroxy-benzaldehyde,benzaldehyde,3,5-dichloro-4-hydroxy,2,6-dichloro-4-formylphenol,benzaldehyde,5-dichloro-4-hydroxy,1-formyl-3,5-dichloro-4-hydroxy-benzene,3,5-bis chloranyl-4-oxidanyl-benzaldehyde PubChem CID: 16839 IUPAC Name: 3,5-dichloro-4-hydroxybenzaldehyde SMILES: C1=C(C=C(C(=C1Cl)O)Cl)C=O
| PubChem CID | 16839 |
|---|---|
| CAS | 2314-36-5 |
| Molecular Weight (g/mol) | 191.007 |
| MDL Number | MFCD00017605 |
| SMILES | C1=C(C=C(C(=C1Cl)O)Cl)C=O |
| Synonym | benzaldehyde, 3,5-dichloro-4-hydroxy,3,5-dichloro-4-hydroxy-benzaldehyde,benzaldehyde,3,5-dichloro-4-hydroxy,2,6-dichloro-4-formylphenol,benzaldehyde,5-dichloro-4-hydroxy,1-formyl-3,5-dichloro-4-hydroxy-benzene,3,5-bis chloranyl-4-oxidanyl-benzaldehyde |
| IUPAC Name | 3,5-dichloro-4-hydroxybenzaldehyde |
| InChI Key | LIYGCLJYTHRBQV-UHFFFAOYSA-N |
| Molecular Formula | C7H4Cl2O2 |
5-Bromo-2-furaldehyde, 97%
CAS: 1899-24-7 Molecular Formula: C5H3BrO2 Molecular Weight (g/mol): 174.98 MDL Number: MFCD00159501 InChI Key: WJTFHWXMITZNHS-UHFFFAOYSA-N Synonym: 5-bromo-2-furaldehyde,5-bromofurfural,5-bromo-2-furfural,5-bromofuran-2-carboxaldehyde,5-bromofurancarboxaldehyde,2-furancarboxaldehyde, 5-bromo,5-bromofuraldehyde,5-bromo-furan-2-carbaldehyde,2-furaldehyde, 5-bromo,5-bromo-furfural PubChem CID: 600328 IUPAC Name: 5-bromofuran-2-carbaldehyde SMILES: BrC1=CC=C(O1)C=O
| PubChem CID | 600328 |
|---|---|
| CAS | 1899-24-7 |
| Molecular Weight (g/mol) | 174.98 |
| MDL Number | MFCD00159501 |
| SMILES | BrC1=CC=C(O1)C=O |
| Synonym | 5-bromo-2-furaldehyde,5-bromofurfural,5-bromo-2-furfural,5-bromofuran-2-carboxaldehyde,5-bromofurancarboxaldehyde,2-furancarboxaldehyde, 5-bromo,5-bromofuraldehyde,5-bromo-furan-2-carbaldehyde,2-furaldehyde, 5-bromo,5-bromo-furfural |
| IUPAC Name | 5-bromofuran-2-carbaldehyde |
| InChI Key | WJTFHWXMITZNHS-UHFFFAOYSA-N |
| Molecular Formula | C5H3BrO2 |