Disclosed is a compound which has both an angiotensin-II receptor antagonistic activity and a PPARγ activation activity and is useful as a prophylactic and/or therapeutic agent for hypertension, heart diseases, angina pectoris, cerebrovascular disorders, cerebral circulatory disorders, ischemic peripheral circulatory disorders, renal diseases, arteriosclerosis, inflammatory diseases, type-2 diabetes, diabetic complications, insulin resistance syndrome, syndrome X, metabolic syndrome and hyperinsulinemia. [In the formula, A represents a 5- to 10-membered heteroaryl group; R1 and R2 independently represent a C1-6 alkyl group; and each of R3 to R5 is absent or represents H, a halogen atom, OH, NO2, a halo-C1-6 alkyl group, a (substituted) C1-6 alkoxy group, a (substituted) C3-6 cycloalkyloxy group, or a 5- to 10-membered heteroaryl group.]