abstract |
1,4-dihydropyridine derivatives and optically active 1,4-dihydropyridine derivatives with the following formula, having vasodilating activity based on calcium antagonism, and PAF antaognism, and methods of producing the same are disclosed: <CHEM> wherein (*) indicates a chiral center in the case of the optically active 1,4-dihydropyridine derivatives. |