(1aS,4aR,5′R,6R,7aS,8aS,8bR)-5′,7′-Dihydroxy-4′,4′,7,7-tetramethyl-4a-nitro-1a,4′,4a,5,5′,7,7a,8,8a,8b-decahydro-2H,4H,6′H-spiro[cyclopenta[f]oxireno[a]indolizine-6,1′-pyrrolo[3,2,1-ij]quinoline]-2′,6 ′-dione

(1aS,4aR,5′R,6R,7aS,8aS,8bR)-5′,7′-Dihydroxy-4′,4′,7,7-tetramethyl-4a-nitro-1a,4′,4a,5,5′,7,7a,8,8a,8b-decahydro-2H,4H,6′H-spiro[cyclopenta[f]oxireno[a]indolizine-6,1′-pyrrolo[3,2,1-ij]quinoline]-2′,6 ′-dione

Spiro[2H-cyclopent[f]oxireno[a]indolizine-6(4H),1′(6′H)-[4H]pyrrolo[3,2,1-ij]quinoline]-2′,6′(2′H)-dione, 1a,4′,4a,5,5′,7,7a,8,8a,8b-decahydro-5′,7′-dihydroxy-4′,4′,7,7-tetramethyl-4a-nitro-, (1aS,4aR ,5′R,6R,7aS,8aS,8bR)-

Cyclopiamine D