the ability of either gaba or ( - ) -baclofen to augment vip-stimulated production of cyclic amp was not mimicked by the gabaa , agonists isoguvacine and 4,5,6,7-tetrahydroisoxazolo [ 5,4-c ] pyridin-3-ol ( thip ) and was not antagonized by the gabaa antagonist bicuculline .
C0016904
gaba
C0004609
baclofen