aminooxyacetic acid ( 9-81 mg kg-1 , i.m . ) and gamma-vinyl-gaba ( 1.5 g kg-1 , i.p . ) , two potent inhibitors of gaba aminotransferase and known to increase brain gaba content , reduced vasopressin release to a comparable degree as did gaba ( i.c.v . ) .
C0048044
gamma-vinyl-gaba
C0016904
gaba