1H,6H-pyrrolo[1'',2'':4',5']pyrazino[1',2':1,2]pyrido[3,4-b]indole-1,4(2H)-dione, 3,3a,7,12,12b,13-hexahydro- 3,3a,7,12,12b,13-hexahydro-1H,6H-pyrrolo[1'',2'':4',5']pyrazino[1',2':1,2]pyrido[3,4-b]indole-1,4(2H)-dione InChI=1/C17H17N3O2/c21-15-6-5-13-17(22)19-8-7-11-10-3-1-2-4-12(10)18-16(11)14(19)9-20(13)15/h1-4,13-14,18H,5-9H