(3S,8aS)-3-((6-methoxy-2-(3-methylbut-2-enoyl)-1H-indol-3-yl)methyl)-2,3,6,7,8,8a-hexahydropyrrolo(1,2-a)pyrazine-1,4-dione
(3s,8as)-3-((6-methoxy-2-(3-methylbut-2-enoyl)-1h-indol-3-yl)methyl)-2,3,6,7,8,8a-hexahydropyrrolo(1,2-a)pyrazine-1,4-dione