Methoxy-acetic acid 2-{(2S,4S,6R,8S,10S)-4,10-dihydroxy-10-methyl-8-[(R)-3-((2S,3R)-3-methyl-1,5-dioxa-spiro[5.5]undec-2-yl)-2-methylene-butyl]-1,7-dioxa-spiro[5.5]undec-2-yl}-ethyl ester

Methoxy-acetic acid 2-[(2S,4S,6R,8S,10S)-4-acetoxy-8-((3R,4S,5R)-4-acetoxy-6-hydroxy-3,5-dimethyl-2-methylene-hexyl)-10-hydroxy-10-methyl-1,7-dioxa-spiro[5.5]undec-2-yl]-ethyl ester

(2S,4S,6R,8S,10S)-8-(2-Benzyloxy-ethyl)-4-methyl-2-[(R)-3-((2S,3R)-3-methyl-1,5-dioxa-spiro[5.5]undec-2-yl)-2-methylene-butyl]-1,7-dioxa-spiro[5.5]undecane-4,10-diol

(2S,4S,7R)-1-[2-((2S,4S)-6-Benzyloxy-2,4-dihydroxy-hexyl)-[1,3]dithian-2-yl]-2-methyl-7-((2S,3R)-3-methyl-1,5-dioxa-spiro[5.5]undec-2-yl)-6-methylene-octane-2,4-diol

(2S,4S,7R)-1-{2-[(2S,4S)-6-Benzyloxy-2,4-bis-(tert-butyl-diphenyl-silanyloxy)-hexyl]-[1,3]dithian-2-yl}-2-methyl-7-((2S,3R)-3-methyl-1,5-dioxa-spiro[5.5]undec-2-yl)-6-methylene-octane-2,4-diol