Fosfluconazole Impurity B Catalogue F642332 CAS N/A M.W 386.25 M.F C13H13F2N6O4P Specifications FAQs 2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-3-(4H-1,2,4-triazol-4-yl)propan-2-yl dihydrogen phosphate