Posaconazole Impurity 9 Catalogue B502559 CAS 2256739-22-5 M.W 572.56 M.F C28H28F4N6O3 Specifications FAQs 1,1'-(((2R,2'R,4R,4'R)-4,4'-(oxybis(methylene))bis(2-(2,4-difluoro phenyl)tetrahydrofuran-4,2-diyl))bis(methylene))bis(1H-1,2,4-triazole)
