ingol-3,7,8,12-tetraacetate

(1aR,2R,3S,4aR,6S,7S,7aS,8E,10R,11R,11aS)-2,7,10,11-Tetrakis(acetyloxy)-1a,2,3,6,7,10,11,11a-octahydro-1,1,3,6,9-pentamethyl-4a,7a-epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen-4(1H)-one