methyl (3aS,4R,6R,7aR)-6-hydroxy-4-(methoxymethoxy)hexahydrospiro[benzo[d][1,3]dioxole-2,1'-cyclohexane]-6-carboxylate

(3aR,4R,5R,7R,7aS)-5-(hydroxymethyl)-7-(methoxymethoxy)hexahydrospiro[benzo[d][1,3]dioxole-2,1'-cyclohexane]-4,5-diol

(3a'R,4'R,5'R,7'R,7a'S)-7'-(methoxymethoxy)-2'',2''-dimethyltetrahydro-4'H-dispiro[cyclohexane-1,2'-benzo[d][1,3]dioxole-5',4''-[1,3]dioxolan]-4'-ol