(3aR,7aS)-3a,4-dihydro-2,2,6-trimethylbenzo [d][1,3]dioxol-5(7aH)-one

(3aR,6S,7aS)-tetrahydro-2,2,6-trimethylbenzo[d][1,3]dioxol-5(6H)-one

(3aR,6R,7aS)-2,2,6-trimethyltetrahydrobenzo[d][1,3]dioxol-5(4H)-one

(3S,4R,5R)-3-(tert-Butyl-diphenyl-silanyloxy)-4,5-dihydroxy-cyclohex-1-enecarboxylic acid methyl ester

(3aR,7S,7aS)-7-Hydroxy-2,2-dimethyl-3a,4,7,7a-tetrahydro-benzo[1,3]dioxole-5-carboxylic acid methyl ester