CC(C)C1NC(=O)C2CC3(C45CC6C(=O)NC(C(C)C)C(=O)N6C4Nc4ccccc45)c4ccccc4NC3N2C1=O 3,3'-Diisopropyl-2,3,5a,6,11,11a,2',3',5'a,6',11',11'a-dodecahydro-[10b,10'b]bi[pyrazino[1',2':1,5]pyrrolo[2,3-b]indolyl]-1,4,1',4'-tetraone