Not Less Than - 95%
8-Methyl-7,8,9,10-tetrahydro-6H-6,10-methanoazepino[4,5-g]quinoxaline; N-Methyl Varenicline;
6,10-Methano-6H-pyrazino[2,3-h][3]benzazepine,7,8,9,10-tetrahydro-8-methyl-; 7,8,9,10-Tetrahydro-8-methyl-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine