1,2,3,4,6,7,12,12a-Octahydropyrazino(2,1-b)(3)benzazepine (E)-2-butenedioate (1:1) 58350-12-2 Pyrazino(2,1-b)(3)benzazepine, 1,2,3,4,6,7,12,12a-octahydro-, (E)-2-butenedioate (1:1)