( + ) -r-bay k 8644 , and the structurally related dihydropyridine calcium channel blockers nifedipine and ( - ) -202-791 inhibited the impairment of rotarod activity by ( - ) -s-bay k 8644 in a dose-dependent manner .
C2945601
dihydropyridine calcium channel
C0028066
nifedipine