(Z)-(2R,3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-2,4-dimethyl-6-trimethylsilanyl-hept-5-enal

(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

(Z)-(2S,3S,5S,8S,9R,10S)-9-(tert-Butyl-dimethyl-silanyloxy)-2-[(2R,4R,5S)-2-(4-methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-8,10-dimethyl-12-trimethylsilanyl-tridec-11-en-6-yne-3,5-diol