Fimasartan Impurity D Catalogue F568534 CAS 503155-67-7 M.W 715.90 M.F C45H45N7O2 Specifications FAQs 2-(2-butyl-4-methyl-6-oxo-1-((2'-(1-phenyl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1,6-dihydropyrimidin-5-yl)-N,N-dimethylacetamide compound wi