(2S,3R,4R,7S,10S,11R,12S,13Z)-11-(tert-butyldimethylsilanyloxy)-1,3-[(R)-4-methoxybenzylidenedioxy]-7-hydroxy-2,4,10,12-tetramethyl-14-trimethylsilanylpentadec-13-en-8-yn-5-one

(3E,5S,6S,7R)-6,8-[(R)-4-methoxy-benzylidenedioxy]-4,5,7-trimethyl-oct-3-enoic acid methyl ester

(2S,3R,4R,5S,7S,10S,11R,12S,13Z)-11-(tert-butyldimethylsilanyloxy)-7-isobutyrate-1,3-[(R)-4-methoxybenzylidenedioxy]-5-hydroxy-2,4,10,12-tetramethyl-14-trimethylsilanylpentadec-13-en-8-yn

(3S,4R,5S)-6-benzyloxy-4-(tert-butyldimethylsilanyloxy)-3,5-dimethyltrimethylsilanylhex-1-yne

(1E,3S,4R,5S)-6-benzyloxy-4-(tert-butyldimethylsilanyloxy)-3,5-dimethyl-1-iodo-1-trimethylsilanyl-hex-1-ene