Showing structure for (3e)-3-[(3e)-4-[2,3-dihydroxy-2-methyl-5-(prop-1-en-2-yl)cyclopentyl]but-3-en-2-ylidene]-3a,6,6,9a-tetramethyl-2-oxo-octahydrocyclopenta[a]naphthalen-7-yl acetate