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

methyl (1S,2E,4E,6S,7R,8Z,13R,16R,17S,20S,21R,22R,23Z)-21-hydroxy-7-methoxymethoxy-6,13,16,20,24-pentamethyl-15-oxo-14-oxatricyclo[14.8.0.017,22]tetracosa-2,4,8,23-tetraene-8-carboxylate

2-(trimethylsilyl)ethoxymethyl (1R,2S,4aR,5R,6S,8aS)-5-hydroxy-2-[(1E,3E,5S,6R,7Z,12R)-12-hydroxy-7-methoxycarbonyl-6-methoxymethoxy-5-methyldeca-1,3,7-trienyl]-1,3,6-trimethyl-1,2,4a,5,6,7,8a-octahydronaphthalene-1-carboxylate