英文别名Isavuconazole Impurity 1; (2R,3S)-3-(2,5-difluorophenyl)-3-hydroxy-2-methyl-4-(1,2,4-triazol-1-yl)butanenitrile; Isavuconazole Impurity 64; 1H-1,2,4-Triazole-1-butanenitrile, β-(2,5-difluorophenyl)-β-hydroxy-α-methyl-, (αR,βS)-; Essaconazole impurity 21; Efluconazole Impurity 57 
