Fluconazole Impurity B Catalogue F634232 CAS 871550-15-1 M.W 355.34 M.F C15H14FN9O Specifications FAQs 2-(2-fluoro-4-(1H-1,2,4-triazol-1-yl)phenyl)-1,3-di(1H-1,2,4-triazol-1-yl)propan-2-ol