A prodrug form of olmesartan; inhibits the angiotensin II pressor response in normotensive rats at 0.1 mg/kg; reduces both systolic and diastolic blood pressure in fructose-fed rats, a model of insulin resistance, at 10 mg/kg per day, as well as in chow-fed control animals at 11.4 mg/kg per day; inhibits increases in plasma levels of triglycerides and non-esterified fatty acids in fructose-fed rats