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

(2R,3R,4S)-5-Iodo-2,4-dimethyl-hex-5-ene-1,3-diol

(2R,3R)-2-((S)-2-Iodo-1-methyl-allyl)-3-methyl-1,5-dioxa-spiro[5.5]undecane

(2S,4S,6R,8S,10S)-8-(2-Hydroxy-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