(S)-8-(tert-Butyl-diphenyl-silanyloxy)-3-isopropenyl-13-(4-methoxy-benzyloxy)-10-methoxymethoxy-10-methyl-trideca-6,11-diynal

(13S)-2-t-butoxycarbonyl-6-(t-butyldimethylsilyloxy)-8-(t-butyldiphenylsilyloxy)-13-isopropenyl-4,9-cyclotetradecadiynone

(3S)-10-(t-butyldimethylsilyloxy)-8-(t-butyldiphenylsilyloxy)-3-isopropenyl-13-(p-methoxybenzyloxy)-6,11-tri ecadiynal

t-butyl (5S)-12-(t-butyldimethylsilyloxy)-10-(t-butyldiphenylsilyloxy)-5-isopropenyl-3-keto-15-(p-methoxybenzyloxy)-8,13-pentadecadiynoate

[(S)-9-(tert-Butyl-diphenyl-silanyloxy)-14-hydroxy-4-isopropenyl-11-methoxymethoxy-1,11-dimethyl-2-oxo-tetradeca-7,12-diynyl]-phosphonic acid dimethyl ester