3,3aα,4,4a,6,7,7aα,8,9,9aβ-Decahydro-4α-hydroxy-4aβ,8α-dimethyl-3-methyleneazuleno[6,5-b]furan-2,5-dione | (3aS)-3,3aα,4,4a,6,7,7aα,8,9,9aβ-Decahydro-4α-hydroxy-4aβ,8α-dimethyl-3-methyleneazuleno[6,5-b]furan-2,5-dione |
(3aS,7aS,9aS)-3a,4,4a,5,6,7,7a,8,9,9a-Decahydro-4α-hydroxy-4aβ,8α-dimethyl-3-methyleneazuleno[6,5-b]furan-2,5-dione |