Not Less Than - 95%
6,10-Methano-6H-pyrazino[2,3-h][3]benzazepine, 7,8,9,10-tetrahydro-, (2R,3R)-2,3-dihydroxybutanedioate (1:1); 7,8,9,10-tetrahydro-6H-6,10-methanoazepino[4,5-g]quinoxaline (2R,3R)-2,3-dihydroxysuccinate