methyl (2E,7R)-7-(t-butyldiphenylsilyloxy)-2-hydroxymethyl-2-octenoate

(3S,4R,5Z,10R)-1-bromo-10-(t-butyldiphenylsilyloxy)-5-methoxycarbonyl-4-methoxymethoxy-3-methylundec-5-en-1-yne

methyl (3RS,7R)-7-(t-butyldiphenylsilyloxy)-3-hydroxy-2-methyleneoctanoate

2-(trimethylsilyl)ethoxymethyl (1R,2S,4aR,5R,6S,8aS)-5-hydroxy-2-[(E)-2-iodoethenyl]-1,3,6-trimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalene-1-carboxylate

(3S,4R,5Z,10R)-1-bromo-10-hydroxy-5-methoxycarbonyl-4-methoxymethoxy-3-methylundec-5-en-1-yne