IV CV 4151 apeutic agents for ischemic heart disease, thromboembolic disorders, and cerebral circulatory disorders. 2 It has been theorized that the complete and long-lasting suppression of TU z is necessary in the ischemic heart disease because of the highly potent biological activities of TXA2. Thus potent and long-lasting agents will be of value in the treatment of ischemic heart disease. Many potent compounds have been reported: 4-[2-(l- ...