3-[2-((3aS,7R,7aR)-2,2,3a,7-Tetramethyl-3a,6,7,7a-tetrahydro-benzo[1,3]dioxole-5-sulfonyl)-ethoxy]-cyclopent-2-enone

3-(2-bromoethoxy)cyclopent-2-en-1-one

β-1,2-epoxy-α-cis-3,4-dihydroxy-trans-3,5-dimethylcyclohexane 3,4-acetonide

cis-3,4-dihydroxy-trans-3,5-dimethylcyclohexene 3,4-acetonide