1-Methylethyl-2-propyl-1H-imidazole-5-carboxylic Acid Ethyl Ester 2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester is an intermediate used in the synthesis of Olmesartan Acid O-β-D-Glucuronide (O550005), which is a metabolite of Olmesartan Medoxomil (O550000).