the dissociation rates of ( +/- ) - ( r* ) -2,6-dimethyl-4- ( m-nitrophenyl ) -1,4-dihydropyridine-3,5-dicarb oxylic acid ( r* ) -1-benzyl-3-piperidinyl ester , methyl ester hydrochloride ( benidipine hydrochloride , kw-3049 ) and some calcium antagonists from 3h-nitrendipine binding sites were studied by a centrifugation technique and a filter-absorbed tissue method .
C0012315
dihydropyridine
C0028127
nitrendipine