1,2-bis((6R,10S)-6,7,9,10-Tetrahydro-8H-6,10-methanoazepino[4,5-g]quinoxalin-8-yl)ethan-1-one ; 1,2-bis(9,10-dihydro-6H-6,10-methanoazepino[4,5-g]quinoxalin-8(7H)-yl)ethanone ; 1,2-Bis(6,7,9,10-tetrahydro-8H-6,10-methanoazepino[4,5-g]quinoxalin-8-yl)ethan-1-one ; Ethanone-1,2-di Varenicline;