1,4-DIHYDROPYRIDINDERIVAT, FORFARANDE FOR FRAMSTELLNING DERAV SAMT FARMACEUTISK KOMPOSITION

摘要

Compounds of formula I, where X is oxygen or sulphur; R1 and R2 are various esterifying radicals; and R3 is H or C1-3 alkyl. The compounds are useful for treating coronary insufficiency, intermittent claudication, cerebrovascular insults, spasms in muscles and hypertension.