Abiraterone Impurity 3

Synonym: 1,4-Bis[3,4-dihydro-2(1H)-quinolinon-7-oxy]butane, 1,4-bis[(3,4-Dihydro-2(1H)-quinolinone-7-yl)oxy]-butane ; 7,7’-[1,4-Butanediylbis(oxy)]bis[3,4-dihydro-2(1H)-quinolinone; Aripiprazole Diquinoline Butanediol Impurity (USP)