SPORIDESMINE

10-Chloro-6a,7,11b,12-tetrahydro-11b,12-dihydroxy-8,9-dimethoxy-4,7,14-trimethyl-4,12a-(iminomethano)-12aH-[1,2,3,5]trithiazepino[5',4':1,5]pyrrolo[2,3-b]indole-5,13(4H)-dione