[6,5-b]
(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
(Z)-2-Methyl-2-butenoic acid [(3aS)-2,3,3a,4,4a,5,7aα,8,9,9aα-decahydro-4aβ,8α-dimethyl-3-methylene-2,5,9-trioxoazuleno[6,5-b]furan-4α-yl] ester
7a-(Acetyloxy)-1a,7-dimethyl-3-methylene-1b,2,2a,3,5a,6,7,7a,8,8a-decahydrooxireno[2,3]azuleno[6,5-b]furan-4(1aH)-one
Azuleno[6,5-b]furan-2,6(3H,4H)-dione,3a,7,7a,- 8,9,9a-hexahydro-5,8-dimethyl-3-methylene-,(3aR,7aS,8S,9aR)-
Azuleno[6,5-b]furan-2,6(3H,4H)-dione,3a,4a,5,8,9,9a-hexahydro-4-hydroxy-3,7,8-trimethyl- (9CI)
(3aR)-4,4a,7aα,8,9,9aα-Hexahydro-4α-(isovaleryloxy)-3β,4aβ,8α-trimethylazuleno[6,5-b]furan-2,5(3H,3aαH)-dione
(3S)-3,3aα,4,4a,7aα,8,9,9aα-Octahydro-4α-acetoxy-3β,4aβ,8α-trimethylazuleno[6,5-b]furan-2,5-dione
Azuleno[6,5-b]furan-2(3H)-one,decahydro-5,6- dihydroxy-4a,8-dimethyl-3-methylene-,(3aR,4aS,5R,6S,7aS,8R,9aR)-