(+-)-1,3,4,14b-Tetrahydro-2-methyl-2H,10H-pyrazino(1,2-a)pyrrolo(2,1-c)(1,4)benzodiazepine maleate (1:1) 2H,10H-Pyrazino(1,2-a)pyrrolo(2,1-c)(1,4)benzodiazepine, 1,3,4,14b-tetrahydro-2-methyl-, (+-)-, (Z)-2-butenedioate (1:1) 71576-40-4 71576-41-5 APTAZAPINE MALEATE Aptazapine maleate [USAN]