(+)-Isoclavukerin

3,8α-Dimethyl-1,2,6,7,8,8aα-hexahydroazulene

(3aS)-2,3,3aα,4,5,6-Hexahydro-1,4β-dimethylazulene

(3aR)-2,3,3aβ,4,5,6-Hexahydro-1,4β-dimethylazulene