Synonyms: 1-(7-Methyl-3-methylene-2-oxo-3,3a,4,7,8,8a-hexahydro-2H-cyclohepta[b]furan-6-yl)-3-oxobutyl acetate;2H-Cyclohepta[b]furan-2-one, 6-[1-(acetyloxy)-3-oxobutyl]-3,3a,4,7,8,8a-hexahydro-7-methyl-3-methylene-;6-(1-(Acetyloxy)-3-oxobutyl)-3,3a,4,7,8,8a-hexahydro-7-methyl-3-methylene-2H-cyclohepta(b)furan-2-one