(8E,12E,14E)-(R)-15-Bromo-11-hydroxy-9-methyl-7-oxo-pentadeca-8,12,14-trienoic acid

(12E,14E)-(R)-15-Bromo-11-(tert-butyl-dimethyl-silanyloxy)-7-hydroxy-pentadeca-12,14-dien-8-ynoic acid methyl ester

methyl (7Z,10R,11E,13E,17S,19Z)-10,17-bis((tertbutyldimethylsilyl)oxy)docosa-7,11,13,19-tetraen-15-ynoate