Azilsartan Impurity D Catalogue A195624 CAS 1821386-21-3 M.W 402.41 M.F C22H18N4O4 Specifications FAQs (Z)-3-((2'-(N'-hydroxycarbamimidoyl)-[1,1'-biphenyl]-4-yl)methyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylic acid
