Showing structure for (3e,5r)-3-{[(1r,2s,4ar,6s,8as)-1,3,6-trimethyl-2-[(1e,3e)-penta-1,3-dien-1-yl]-4a,5,6,7,8,8a-hexahydro-2h-naphthalen-1-yl](hydroxy)methylidene}-5-(hydroxymethyl)-1-methylpyrrolidine-2,4-dione