(2E,10E,12E,16Z,18E)-(5S,6R,7S,9S,15R)-6-(tert-Butyl-dimethyl-silanyloxy)-17-ethyl-3,5,7,11,15-pentamethyl-19-((2S,3S)-3-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-8-oxo-9-triisopropylsilanyloxymethyl-nonadeca-2,10,12,16,18-pentaenoic acid

carbonic acid allyl ester 6-(tert-butyl-dimethyl-silanyloxy)-17-ethyl-19-(6-methoxy-3-methyl-3,6-dihydro-2H-pyran-2-yl)-3,5,7,11,15-pentamethyl-8-oxo-9-triisopropylsilanyloxymethyl-nonadeca-2,10,12,16,18-pentaenyl ester

(2E,10E,12E,16Z,18E)-(5S,6R,7S,9S,15R)-6-(tert-Butyl-dimethyl-silanyloxy)-17-ethyl-1-hydroxy-19-((2S,3S)-6-hydroxy-3-methyl-3,6-dihydro-2H-pyran-2-yl)-3,5,7,11,15-pentamethyl-9-triisopropylsilanyloxymethyl-nonadeca-2,10,12,16,18-pentaen-8-one

carbonic acid allyl ester 6-(tert-butyl-dimethyl-silanyloxy)-7-{5-[8-ethyl-10-(6-isopropoxy-3-methyl-3,6-dihydro-2H-pyran-2-yl)-2,6-dimethyl-deca-1,3,7,9-tetraenyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-3,5-dimethyl-oct-2-enyl ester

carbonic acid allyl ester 6-(tert-butyl-dimethyl-silanyloxy)-17-ethyl-8-hydroxy-19-(6-methoxy-3-methyl-3,6-dihydro-2H-pyran-2-yl)-3,5,7,11,15-pentamethyl-9-triisopropylsilanyloxymethyl-nonadeca-2,10,12,16,18-pentaenyl ester