1456-55-9 3,11a-Epidithio-11aH-pyrazino(1',2':1,5)pyrrolo(2,3-b)indole-1,4-dione, 9-chloro-2,3,5a,6,10b,11-hexahydro-10b-hydroxy-7,8-dimethoxy-2,3,6-trimethyl- 3351-96-0 NSC 246153 SPORIDESMIN B