(2S,3R)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol ; Voriconazole enantiomer; ent-Voriconazole; (2S,3R)-2-(2,4-Difluorophenyl)-3-pyrimidin-4-yl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol; Voriconazole (2S,3R)-Enantiomer;(αS,βR)-α-(2,4-Difluorophenyl)-5-fluoro-β-methyl-α-(1H-1,2,4-triazol-1-ylmethyl)-4-pyrimidineethanol; [S-(R*,S*)]-α-(2,4-Difluorophenyl)-5-fluoro-β-methyl-α- (1H-1,2,4-triazol-1-ylmethyl)-4-pyrimidineethanol; (2S,3R)-2-(2,4-Difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol; Voriconazole Impurity D (IP); Voriconazole Related Compound B (USP)