O-Desethyl Azilsartan

2-Oxo-3-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylic Acid; 2-oxo-3-((2'-(5-oxo-2,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylic acid; 1H-Benzimidazole-4-carboxylic acid, 3-[[2′-(2,5-dihydro-5-oxo-1,2,4-oxadiazol-3-yl)[1,1′-biphenyl]-4-yl]methyl]-2,3-dihydro-2-oxo; Azilsartan M-II Metabolite; Desethyl Azilsartan; Azilsartan kamedoxomil Impurity A