pretreatment with the selective 5-ht2 antagonist , ly53857 ( 6-methyl-1- [ 1-methylethyl ] ergoline-8-carboxylic acid , 2-hydroxy-1-methyl propyl ester ( z ) -2-butenedioate [ 1:1 ] ) , did not significantly diminish an increase in levels of prolactin in plasma , induced by injection of fenfluramine .
C0007066
carboxylic acid
C0014898
ester