Potent and selective leukocyte elastase inhibitor (IC50=44nM). Displays various anti-inflammatory activities including attenuation of LTB4-induced neutrophil migration and serum cytokine levels. Reduces acute inflammatory lung injury in vivo. Alternative name: ONO-5046, N-{2-[({4-[2,2-Dimethylpropanoyl)oxy]phenyl}sulfonyl)amino]benzoyl}glycine sodium salt. Purity: ≥98% (HPLC). Solubility: Soluble in DMSO (>25mg/ml), ethanol (20mg/ml) or water (2mg/ml, warm). . Long Term Storage: Ambient.