(1aR,2S,3R,3aR,5S,5aR,8aS,8bS,8cS)-2,5-dihydroxy-3a,8c-dimethyl-6-methylene-7-oxododecahydrooxireno[7,8]naphtho[1,2-b]furan-3-yl rel-2-methylacrylate 1a-Methacryloyloxy-2b,8a-dihydroxy-3a,4a-epoxy-eudesm-11(13)-en-6a,12 olide 2-Methyl-acrylic acid-2,5-dihydroxy-3a,8c-dimethyl-6-methylene-7-oxo-dodecahydro-1,8-dioxa-cyclopenta[a]cyclopropa[h]naphthalen-3-yl ester 2-propenoic acid, 2-methyl-, (1aR,2S,3R,3aR,5S,5aR,8aS,8bS,8cS)-dodecahydro-2,5-dihydroxy-3a,8c-dimethyl-6-methylene-7-oxooxireno[7,8]naphtho[1,2-b]furan-3-yl ester InChI=1/C19H24O7/c1-7(2)16(22)25-14-11(21)15-19(5,26-15)13-12-10(8(3)17(23)24-12)9(20)6-18(13,14)4/h9-15,20-21H,1,3,6H2,2,4-5H3/t9-,10+,11-,12-,13+,14-,15+,18+,19-/m0/s