(1S*,4S*,7R*,8R*,12S*,13S*)-7-hydroxy-12-methyl-9-methylene-13-(trimethylsiloxy)-3-oxatetracyclo<5.4.1.1.1,8.04,12>tridecan-2-one

ethyl-2,3-dideoxy-3-C-methylene-α,β-D-glycero-pentofuranoside

rac-(1R,2R,3a'R,6a'R)-5'-bromo-3a',4-dimethyl-2-((trimethylsilyl)oxy)-3a',5',6',6a'-tetrahydro-2'H,4'H-spiro[cyclohexane-1,3'-cyclopenta[b]furan]-3-ene-2',4'-dione

methyl (3aα,4β,6α,7β,7aα)-octahydro-7-hydroxy-6-iodo-6-methyl-3-oxo-4-benzofurancarboxylate

rac-(3R,3aR,5S,6aS,10aR)-3a,8-dimethyl-4-methylene-3,3a,4,5,6a,9-hexahydro-1H,10H-3,5-methanofuro[3,4-d]chromen-1-one