2,6,11-Tris(acetyloxy)-2,3,6,7,10,11,11a,12,14a,14b-decahydro-1a,5,9-trimethyl-12-methyleneoxireno(13,14)cyclotetradeca(1,2-b)furan-13(1aH)-one 66656-91-5 Crassolide Oxireno(13,14)cyclotetradeca(1,2-b)furan-13(1aH)-one, 2,6,11-tris(acetyloxy)-2,3,6,7,10,11,11a,12,14a,14b-decahydro-1a,5,9-trimethyl-12-methylene-, (1aS-(1aR*,2S*,4E,6R*,8E,11S*,11aS*,14aR*,14bR*))-