9,10-dihydro-6H-6,10-methanoazepino[4,5-g]quinoxaline-8(7H)-carbaldehyde; 6,7,9,10-Tetrahydro-6,10-methano-8H-pyrazino[2,3-h][3]benzazepine-8-carboxaldehyde; N-Formylvarenicline
9,10-dihydro-6H-6,10-methanoazepino[4,5-g]quinoxaline-8(7H)-carbaldehyde; 6,7,9,10-Tetrahydro-6,10-methano-8H-pyrazino[2,3-h][3]benzazepine-8-carboxaldehyde; N-Formylvarenicline