(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

(8S)-1-(t-butyldimethylsilyloxy)-10,10-dimethoxy-8-isopropenyl-4-decyn-3-ol

(S)-5-(tert-Butyl-diphenyl-silanyloxy)-10-isopropenyl-3-oxo-15-oxa-bicyclo[10.2.1]pentadeca-1(14),12-dien-6-yne-13-carboxylic acid tert-butyl ester