Sch 39304 [ SM 8668,SM-8668,Sch 42426,Sch 42427,Sch-39304,Sch-42426,Sch-42427,genaconazole,threo-2-(2,4-difluorophenyl)-3-methylsulfonyl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol ] Sch 42427 is the active entantiomer of the antifungal agent Sch 39304 which consists of Sch 42426 & Sch 42427; Sch 42426, the (S,S)-isomer, is inactive