英文别名4-(1-Hydroxy-1-methylpropyl)-2-propyl-1H-Imidazole-5-carboxylic acid ethylester; 1H-imidazole-5-carboxylic acid, 4-(1-hydroxy-1-methylpropyl)-2-propyl-, ethyl ester; Olmesartan intermediate impurity I; Olmesartan intermediate impurity V; Olmesartan intermediate impurity Ⅲ 
