Aripiprazole EP Impurity G (Aripiprazole Dimer Impurity)

7,7′-(((4,4′-(ethane-1,1-diylbis(2,3-dichloro-4,1-phenylene))bis(piperazine-4,1-diyl))bis(butane-4,1-diyl))bis(oxy))bis(3,4-dihydroquinolin-2(1H)-one)