Chlorophenylbiguanide

meta-Chlorophenylbiguanide (1-(3-Chlorophenylbiguanide, m-CPBG) is an allosteric agonist and modulator of the 5-HT3 receptor and an antagonist of the α2A-adrenergic receptor. It has anxiogenic, emetic and hypothermic effects in animal studies. meta-Chlorophenylbiguanide (1-(3-Chlorophenylbiguanide, m-CPBG) is an allosteric agonist and modulator of the 5-HT3 receptor and an antagonist of the α2A-adrenergic receptor. It has anxiogenic, emetic and hypothermic effects in animal studies.