6,10-methano-6H-pyrazino[2,3-h][3]benzazeprine, 7,8,9,10-tetrahydro, (2R,3R)-2,3-dihydroxybutanedioate (1:1)
7,8,9,10-tetrahydro-6,10-methano-6H-pyrazino(2,3-h)(3)benzazepine (2R,3R)-2,3-dihydroxybutqanedioate