Posaconazole Impurity 22

Chemical Name: D-​threo-​Pentitol, 2,​5-​anhydro-​1,​3,​4-​trideoxy-​2-​C-​(2,​4-​difluorophenyl)​-​4-​[[[4-​[4-​[1-​[(1S,​2S)​-​1-​ethyl-​2-​hydroxypropyl]​-​1,​5-​dihydro-​5-​oxo-​4H-​1,​2,​4-​triazol-​4-​yl]​phenyl]​-​2,​3,​4,​5-​tetrahydro-​1H-​1,​4-​benzodiazepin-​7-​yl]​oxy]​methyl]​-​1-​(1H-​1,​2,​4-​triazol-​1-​yl)​-;