(4R,5S,10R,11S,15R)-(2E,8E)-15-(tert-butyl(dimethyl)silyloxy)-4,10-bis[(2-methoxyethoxy)methoxy]-5,11-dimethyl-6,12-dioxa-1,7,13-trioxo-2,8-hexadecadienoic acid tert-butyl ester

(E)-(4S,5R)-4-Benzyloxy-5-[(R)-3-(tert-butyl-dimethyl-silanyloxy)-butyryloxy]-hex-2-enoic acid (E)-(1R,2S)-2-benzyloxy-1-methyl-4-(2,2,2-trichloro-ethoxycarbonyl)-but-3-enyl ester

(E)-(4R,5S)-4-Benzyloxy-5-{(E)-(S)-5-[(R)-3-(tert-butyl-dimethyl-silanyloxy)-butyryloxy]-hex-2-enoyloxy}-hex-2-enoic acid 2,2,2-trichloro-ethyl ester

(R)-((4-(benzyloxy)butan-2-yl)oxy)(tert-butyl)dimethylsilane

(4S,5R,10S,11R,15R)-(2E,8E)-15-(tert-butyl(dimethyl)silyloxy)-4,10-bis[(2-methoxyethoxy)methoxy]-5,11-dimethyl-6,12-dioxa-1,7,13-trioxo-2,8-hexadecadienoic acid tert-butyl ester