DIHYDROALANTOLACTONE

11,13-Dihydroalantolactone

3β,5β,8aβ-Trimethyl-2,3,3aα,5,6,7,8,8a,9,9aα-decahydronaphtho[2,3-b]furan-2-one

(3S)-3aα,5,6,7,8,8a,9,9aα-Octahydro-3β,5β,8aβ-trimethylnaphtho[2,3-b]furan-2(3H)-one

(3aR)-3aα,5,6,7,8,8a,9,9aα-Octahydro-3β,5β,8aβ-trimethylnaphtho[2,3-b]furan-2(3H)-one