(3aR,4R,6E,8R,9R,10E,11aR)-8,9-dihydroxy-6,10-dimethyl-3-methylene-2-oxo-2,3,3a,4,5,8,9,11a-octahydrocyclodeca[b]furan-4-yl rel-2-methylacrylate 2-Methyl-acrylic acid 8,9-dihydroxy-6,10-dimethyl-3-methylene-2-oxo-2,3,3a,4,5,8,9,11a-octahydro-cyclodeca[b]furan-4-yl ester 2-propenoic acid, 2-methyl-, (3aR,4R,6E,8R,9R,10E,11aR)-2,3,3a,4,5,8,9,11a-octahydro-8,9-dihydroxy-6,10-dimethyl-3-methylene-2-oxocyclodeca[b]furan-4-yl ester 2alpha,3beta-Dihydroxy-8beta-methacryloyloxy-germacra-1(10),4,11(13)-trien-6alpha,12-olide InChI=1/C19H24O6/c1-9(2)18(22)24-14-7-10(3)6-13(20)17(21)11(4)8-15-16(14)12(5)19(23)25-15/h6,8,13-17,20-21H,1,5,7H2,2-4H3/b10-6+,11-8+/t13-,14-,15-,16-,17-/m1/s