(Z)-(1R,3S,7S,8R,10S,12S,18R)-7-(tert-Butyl-dimethyl-silanyloxy)-12-[(E)-(S)-1-(tert-butyl-dimethyl-silanyloxy)-3-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-3-methyl-5-methylene-9,13,22-trioxa-tricyclo[16.3.1.08,10]docosa-15,19-dien-14-one

(3Z,9E)-(1R,7S,11S,17R)-11-Hydroxy-7-[(E)-(S)-1-methoxy-3-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-13-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-3,9,19-trien-5-one

1-{3-[3-(tert-butyl-dimethyl-silanyloxy)-2-(4-methoxy-benzyloxy)-5-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-pent-4-enyl]-oxiranyl}-3-(3-{6-[4-(4-methoxy-benzyloxy)-but-2-enyl]-3,6-dihydro-2H-pyran-2-yl}-2-methyl-propyl)-but-3-en-1-ol

((2S,3S)-3-{(2R,3R,4E)-2-(tert-butyldiphenylsilyloxy)-3-(methoxymethoxy)-5-[(2S)-4-methyl-3,6-dihydro-2H-pyran-2-yl]pent-4-enyl}oxiran-2-yl)-1-(tert-butyldimethylsilyloxy)methane

(3Z,9E)-(1R,7S,11S,17R)-11-(tert-Butyl-dimethyl-silanyloxy)-7-[(E)-(S)-1-methoxy-3-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-13-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-3,9,19-trien-5-one