the inhibitory effect of an adenosine analogue , r-n6-phenylisopropyl adenosine ( r-pia ) , of the cholinergic agonist carbachol , and of morphine on 3h efflux from [ 3h ] choline-labeled field-stimulated rat hippocampal slices was compared with that produced by two inhibitors of n- and l-type ca2+ channels , omega-conotoxin ( cgtx ; conotoxin gvia ) and cadmium chloride .
C0752346
omega-conotoxin
C0304176
conotoxin