2-Phenethyl-1,2,3,4,6,7,12,12a-octahydropyrazino(2',1':6,1)pyrido(3,4-b)indole 63680-82-0 Pyrazino(1',2':1,6)pyrido(3,4-b)indole, 1,2,3,4,6,7,12,12a-octahydro-2-phenethyl-, hemihydrate, dl-