英文别名7-{4-[4-(1-Benzothiophen-4-yl)piperazin-1-yl]butoxy}-1-{4-[4-(1-benzothiophen-4-yl)piperazin-1-yl]butyl}-1,2-dihydroquinolin-2-one; Brexpiprazole Impurity 52; 7-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)-1-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butyl)quinolin-2(1H)-one; 7-[4-[4-(1-benzothiophen-4-yl)piperazin-1-yl]butoxy]-1-[4-[4-(1-benzothiophen-4-yl)piperazin-1-yl]butyl]quinolin-2-one; 2(1H)-Quinolinone, 7-[4-(4-benzo[b]thien-4-yl-1-piperazinyl)butoxy]-1-[4-(4-benzo[b]thien-4-yl-1-piperazinyl)butyl]-; Brexpiprazole Dimer Impurity 47 
