Azilsartan Impurity L Catalogue A195632 CAS 1442400-65-8(free base) M.W 436.45 M.F C24H21N4NaO3 Specifications FAQs 1-((2'-carbamimidoyl-[1,1'-biphenyl]-4-yl)methyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylic acid