2-((2S,3S)-3-{1-[(2R,3R)-3-(4-Methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-vinyl}-1,4-dioxa-spiro[4.4]non-2-yl)-ethanol

(2E,4E)-7-{(2R,3R)-3-[1-((2S,3S)-3-Allyl-1,4-dioxa-spiro[4.4]non-2-yl)-vinyl]-1,4-dioxa-spiro[4.4]non-2-yl}-3-methyl-octa-2,4,7-trienoic acid

tert-butyl(2-{(2S,3S)-3-[1-((2R,3R)-3-{[(4-methoxybenzyl)oxy]methyl}-1,4-dioxaspiro[4.4]non-2-yl)vinyl]-1,4-dioxaspiro[4.4]non-2-yl}ethoxy)dimethylsilane

(5S)-4,5-anhydro-1,2-dideoxy-5-[(1R)-1-methylbutyl]-2-prop-2-yn-1-yl-3-O-[(2E,4E,8R,9R,11S,12S)-8,9,11,12-tetrahydroxy-3-methyl-7,10-bis(methylene)pentadeca-2,4,14-trienoyl]-D-ribitol

(2E,4E)-7-{(2R,3R)-3-[1-((2S,3S)-3-Allyl-1,4-dioxa-spiro[4.4]non-2-yl)-vinyl]-1,4-dioxa-spiro[4.4]non-2-yl}-3-methyl-octa-2,4,7-trienoic acid 9H-fluoren-9-ylmethyl ester