Zileuton
Products Zileuton is commercially available in the United States in tablet and powder form (Zyflo). It is not currently approved in many countries. Structure and properties Zileuton (C11H12N2O2S, Mr = 236.3 g/mol) is an almost odorless, white, crystalline powder that is practically insoluble in water. It exists as a racemate. Both enantiomers are pharmacologically active. … Zileuton