Olmesartan Ethyl Ester Trityl Impurity

Chemical Name: 1H-​Imidazole-​5-​carboxylic acid, 4-​(1-​hydroxy-​1-​methylethyl)​-​2-​propyl-​1-​[[2'-​[1-​(triphenylmethyl)​-​1H-​tetrazol-​5-​yl]​[1,​1'-​biphenyl]​-​4-​yl]​methyl]​-​, ethyl ester' Ethyl 4-(1-hydroxy-1-methylethyl)-2-propyl-1-[4-[2-(trityltetrazol-5-yl)phenyl]phenyl]methylimidazole-5-carboxylate Tritylolmesartan ethyl ester;