Synonyms: 7-[4-[4-(2,3-Dichlorophenyl)piperazin-1-yl]butoxy]quinolin-2(1H)-one, Dehydroaripiprazole, Aripiprazole Related Compound G, Aripiprazole Imp E (EP), 2(1H)-Quinolinone, 7-[4-[4-(2,3-dichlorophenyl)-1-piperazinyl]butoxy]-, 7-[4-[4-(2,3-Dichlorophenyl)-1-piperazinyl]butoxy]-2(1H)-quinolinone, DM 14857, OPC 14857, Dehydro Aripiprazole