( +/- ) - ( r* ) -2,6-dimethyl-4- ( m-nitrophenyl ) -1,4-dihydropyridine-3 , 5-dicarboxylic acid ( r* ) -1-benzyl-3-piperidinyl ester , methyl ester hydrochloride ( benidipine hydrochloride , kw-3049 ) is a newly synthetized calcium-channel blocker of the dihydropyridine type .
C0012315
dihydropyridine
C2945601
calcium-channel blocker