(3S,4R,5R)-3,5-dimethyl-7-(trityloxy)hept-1-en-4-yl acetate

(2R,3R,4R)-2,4-dimethyl-1-oxo-6-(trityloxy)hexan-3-yl acetate

(3S,4R,5R)-1,2-dihydroxy-3,5-dimethyl-7-(trityloxy)heptan-4-yl acetate

(3R,4R,5S,6R,9S,10S,12S)-12,14-bis((tert-butyldimethylsilyl)oxy)-6-hydroxy-10-methoxy-3,5,9-trimethyl-1-(trityloxy)tetradecan-4-yl acetate

(3R,4R,5S,6R,9S,10S,12S)-12,14-bis((tert-butyldimethylsilyl)oxy)-6-(((3,4-dimethoxybenzyl)oxy)methoxy)-10-methoxy-3,5,9-trimethyl-1-(trityloxy)tetradecan-4-yl acetate