3,6-Diacetoxy-7-hydroxy-3,6,9-trimethyl-2-oxo-2,3,3a,4,5,6,6a,7,9a,9b-decahydroazuleno[4,5-b]furan-4-yl 3-methyl-2-butenoate

2-Butenoic acid, 3-methyl-, 3,6-bis(acetyloxy)-2,3,3a,4,5,6,6a,7,9a,9b-decahydro-7-hydroxy-3,6,9-trimethyl-2-oxoazuleno[4,5-b]furan-4-yl ester

3,6-Bis(acetyloxy)-7-hydroxy-3,6,9-trimethyl-2-oxo-2,3,3a,4,5,6,6a,7,9a,9b-decahydroazuleno[4,5-b]furan-4-yl 3-methyl-2-butenoate

3,6-Diacetoxy-7-hydroxy-3,6,9-trimethyl-2-oxo-2,3,3a,4,5,6,6a,7,9a,9b-decahydroazuleno[4,5-b]furan-4-yl 3-methyl-2-butenoate

3,6-Diacetoxy-7-hydroxy-3,6,9-trimethyl-2-oxo-2,3,3a,4,5,6,6a,7,9a,9b-decahydroazuleno[4,5-b]furan-4-yl-3-methyl-2-butenoat

3-Méthyl-2-buténoate de 3,6-diacétoxy-7-hydroxy-3,6,9-triméthyl-2-oxo-2,3,3a,4,5,6,6a,7,9a,9b-décahydroazuléno[4,5-b]furan-4-yle