英文别名Posaconazole Impurity 42; Posaconazole Desethylene Monoformyl Impurity; N-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl); D-threo-Pentitol, 2,5-anhydro-1,3,4-trideoxy-2-C-(2,4-difluorophenyl)-4-[[4-[[2-[[4-[1-[(1S,2S)-1-ethyl-2-hydroxypropyl]-1,5-dihydro-5-oxo-4H-1,2,4-triazol-4-yl]phenyl]amino]ethyl]formylamino]phenoxy]methyl]-1-(1H-1,2,4-triazol-1-yl)- 
