SPORIDESMINF

9-Chloro-5a,10b,11,11a-tetrahydro-10b,11-dihydroxy-7,8-dimethoxy-2,6-dimethyl-3-methylene-11a-methylthio-2H-pyrazino[1',2':1,5]pyrrolo[2,3-b]indole-1,4(3H,6H)-dione