(2S,6R,8S)-8-[(R)-2-(4-Methoxy-benzyloxy)-1-methyl-ethyl]-10-methyl-1,7-dioxa-spiro[5.5]undec-10-ene-2-carbaldehyde

(2S,5R)-2-tert-Butyl-5-(hydroxy-{(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}-methyl)-5-methyl-[1,3]dioxolan-4-one

(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

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