Showing structure for methyl (1'r,1as,3'z,4ar,5s,6'r,7ar,7bs,12's)-3,3,4'-trimethyl-2',8'-dioxo-12'-(prop-1-en-2-yl)-1a,2,4,4a,6,7,7a,7b-octahydro-1h-7',15'-dioxaspiro[cyclopropa[e]azulene-5,16'-tricyclo[12.3.1.1⁶,⁹]nonadecane]-3',9'(19'),14'(18')-triene-18'-carboxylate