Not Less Than - 95%
2-Ethoxy-1-[[2'-[1-(triphenylmethyl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-7
-carboxylic Acid; 2-Ethoxy-1-[(2'-(1-trityl-1H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-7-benzimidazolecarboxylic Acid; 2-Ethoxy-1-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylic Acid