( 3 ) the increase was prevented by prior treatment with fluoxetine , an inhibitor of the uptake pump on serotonin neurons , which blocks serotonin release by p-chloroamphetamine , and ( 4 ) the increase was mimicked by fenfluramine and norfenfluramine , agents known to release brain serotonin in a manner similar to the action of p-chloroamphetamine .
C0015827
fenfluramine
C0028362
norfenfluramine