spirotryprostatin G

(1S,2S,3S,5aR,10aR)-1,5a,10a-Trihydroxy-6′-methoxy-3-(2-methyl-1-propen-1-yl)-5a,6,7,8-tetrahydro-1H,5H-spiro[dipyrrolo[1,2-a:1′,2′-d]pyrazine-2,2′-indole]-3′,5,10(1′H,10aH)-trione

Spiro[1H,5H-dipyrrolo[1,2-a:1′,2′-d]pyrazine-2(10H),2′-[2H]indole]-3′,5,10(1′H,3H)-trione, 1,5a,6,7,8,10a-hexahydro-1,5a,10a-trihydroxy-6′-methoxy-3-(2-methyl-1-propen-1-yl)-, (1S,2S,3S,5aR,10aR)-

spirotryprostatin G