Posaconazole Impurity 43

Chemical Name: D-​threo-​Pentitol, 2,​5-​anhydro-​1,​3,​4-​trideoxy-​2-​C-​(2,​4-​difluorophenyl)​-​4-​[[4-​[4-​[4-​(1,​5-​dihydro-​5-​oxo-​4H-​1,​2,​4-​triazol-​4-​yl)​phenyl]​-​1-​piperazinyl]​phenoxy]​methyl]​-​1-​(1H-​1,​2,​4-​triazol-​1-​yl)​-; 2,5-Anhydro-1,3,4-trideoxy-2-C-(2,4-difluorophenyl)-4-[[4-[4-[4-(1,5-dihydro-5-oxo-4H-1,2,4-triazol-4-yl)phenyl]-1-piperazinyl]phenoxy]methyl]-1-(1H-1,2,4-triazol-1-yl)-D-threo-pentitol