(3E,5E,7E,9E)-11-{(1R,4S,5S)-4-[2-(tert-butyldiphenylsiloxy)ethyl]-2-oxo-3,6-dioxabicyclo[3.1.0]hex-1-yl}-2-[(E)-ethylidene]-4,10-dimethyl-11-oxoundeca-3,5,7,9-tetraenoic acid methyl ester

(3E,5E,7E,9E)-11-{(2R,3S)-3-[(S)-3-(tert-Butyl-diphenyl-silanyloxy)-1-hydroxy-propyl]-2-cyano-oxiranyl}-2-eth-(E)-ylidene-4,10-dimethyl-11-oxo-undeca-3,5,7,9-tetraenoic acid methyl ester

(3E,5E,7E,9E)-11-{(1R,5S)-4-[2-(tert-butyldiphenylsiloxy)ethyl]-4-hydroxy-2-oxo-3-aza-6-oxabicyclo[3.1.0]hex-1-yl}-2-[(E)-ethylidene]-4,10-dimethyl-11-oxoundeca-3,5,7,9-tetraenoic acid methyl ester

(12R,13S,14S)-(3E,5E,7E,9E)-16-(tert-butyldiphenylsiloxy)-12-carbamoyl-4,10-dimethyl-2-[(E)-ethylidene]-12,13-epoxy-14-hydroxy-11-oxohexadeca-3,5,7,9-tetraenoic acid methyl ester

(14S)-(3E,5E,7E,9E,12E)-16-(tert-butyldiphenylsiloxy)-12-cyano-2-[(E)-ethylidene]-4,10-dimethyl-11-oxo-14-(triethylsiloxy)hexadeca-3,5,7,9,12-pentaenoic acid methyl ester