Fluconazole Impurity A Catalogue F634231 CAS 89429-59-4 M.W 306.28 M.F C13H12F2N6O Specifications FAQs 2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-3-(4H-1,2,4-triazol-4-yl)propan-2-ol