Pharmaceutical compositions and methods of producing coronary vasodilation by administering substituted benzofurans, for example 2-n-butyl-3-[4' -(2-hydroxy-3-isopropylamino)propoxybenzoyl] benzofuran.
                            通过给予取代
苯并呋喃,例如2-正丁基-3-[4'-(2-羟基-3-异丙基
氨基)丙氧基]
苯并呋喃,制备药物组合物并进行冠状动脉扩张的方法。