{3-[(4S,5R)-2-(4-Methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-prop-1-ynyl}-trimethyl-silane

(2S,10S,11R)-1-(tert-Butyl-diphenyl-silanyloxy)-12-(4-methoxy-benzyloxy)-11-methyl-2,10-bis-trimethylsilanyloxy-dodec-7-yn-6-one

{(2S,6R,8S)-8-[(R)-2-(4-Methoxy-benzyloxy)-1-methyl-ethyl]-10-methyl-1,7-dioxa-spiro[5.5]undec-10-en-2-yl}-methanol

(E)-(2S,10S,11R)-1-(tert-Butyl-diphenyl-silanyloxy)-12-(4-methoxy-benzyloxy)-8,11-dimethyl-2,10-bis-trimethylsilanyloxy-dodec-7-en-6-one

(2S,6S,8S,11R)-11-(tert-Butyl-dimethyl-silanyloxy)-8-(tert-butyl-diphenyl-silanyloxymethyl)-2-[(R)-2-(4-methoxy-benzyloxy)-1-methyl-ethyl]-4-methyl-1,7-dioxa-spiro[5.5]undec-4-ene

(Z)-(2S,5R,10S,11R)-5-(tert-Butyl-dimethyl-silanyloxy)-1-(tert-butyl-diphenyl-silanyloxy)-12-(4-methoxy-benzyloxy)-8,11-dimethyl-2,10-bis-trimethylsilanyloxy-dodec-7-en-6-one

(2S,5R)-2-tert-Butyl-5-{(2S,6S,8S)-8-[(R)-2-(4-methoxy-benzyloxy)-1-methyl-ethyl]-10-methyl-1,7-dioxa-spiro[5.5]undec-10-en-2-ylmethyl}-5-methyl-[1,3]dioxolan-4-one