Olmesartan Olefin Acid Impurity
Olmesartan IMP Ethyl 2-ethoxy-1-((2′-(5-oxo-4,5- 1-((2′-(1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-4-(prop-1-en-2-yl)-2-propyl-1H-imidazole-5-carboxylic Acid