in contrast to the 1,4-dihydropyridine-selective receptors on ca2+ channels in electrically excitable tissues , the ( + ) enantiomer of nimodipine and the ( - ) enantiomer of the benzoxadiazol 1,4-dihydropyridine ( pn 200-110 ) were bound with higher affinity than the respective optical antipodes .
C0028094
nimodipine
C0012315
dihydropyridine