Dihydropyridine Anti-ischaemic agents of the formula ##STR1## and their salts where R is aryl, R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.4 alkyl or 2-methoxyethyl, Y is --(CH.sub.2).sub.n -- where n is 2, 3 or 4 and is optionally substituted by 1 or 2 methyl groups and R.sup.3 is pyrimidyl or di- or tetrahydropyrimidyl.
该公式表示的
二氢吡啶抗缺血药物及其盐,其中R为芳基,R.sup.1和R.sup.2分别为C.sub.1-C.sub.4烷基或2-甲氧乙基,Y为--(CH.sub.2).sub.n--,其中n为2、3或4,并且可以被1或2个甲基取代,R.sup.3为
嘧啶基或二或四氢
嘧啶基。