Chlorpromazine EP Impurity A

 3-(2-chloro-10H-phenothiazin-10-yl)-N,N-dimethylpropan-1-amine S-oxide ; 10H-​Phenothiazine-​10-​propanamine, 2-​chloro-​N,​N-​dimethyl-​, 5-​oxide ; Chlorpromazine sulfoxide ; Chlorpromazine 5-oxide