methyl (E,Z,Z)-4,9,12-octadecatrienoate

(E)-deca-4-en-1,9-diyn-3-yl acetate

(E)-ethyl 4-(pivaloyloxy)undeca-5-en-2,10-diynoate

(E)-1-(tert-Butyl-dimethyl-silanyloxy)-undec-5-en-10-yn-4-ol

tert-Butyl-((E)-4-methoxymethoxy-undec-5-en-10-ynyloxy)-dimethyl-silane