the synthesis and biological activity of some novel analogs of the calcium channel blocker nifedipine , i.e. , derivatives of 2.6-dimethyl-3.5-diethoxycarbonyl-4- ( 3-nitrophenyl ) -1.4-dihydropyridine ( dhp ) were studied .
C0028066
nifedipine
C0012315
dihydropyridine