4-Bromo-benzoic acid (1S,2S,3R,5S)-3-hydroxy-5-methyl-3-((E)-2,5,5,9-tetramethyl-6-oxo-deca-2,9-dienoyl)-2-vinyl-cyclopentyl ester

(E)-1-[(1R,2S,3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-1-hydroxy-4-methyl-2-vinyl-cyclopentyl]-2,5,5-trimethyl-6-triethylsilanyloxy-deca-2,9-dien-1-one

(E)-1-((1R,2S,3R,4S)-1,3-Dihydroxy-4-methyl-2-vinyl-cyclopentyl)-2,5,5,9-tetramethyl-deca-2,9-diene-1,6-dione

(E)-1-((1R,2S,3S,4S)-1,3-Dihydroxy-4-methyl-2-vinyl-cyclopentyl)-2,5,5,9-tetramethyl-deca-2,9-diene-1,6-dione

(1R,2S,3R,4S)-1,3-Bis-(tert-butyl-dimethyl-silanyloxy)-4-methyl-2-vinyl-cyclopentanecarboxylic acid methyl ester