(Z)-1,1'-[oct-4-ene-2,6-diyne-1,8-diylbis(oxy)]bis(4-nitrobenzene)

(Z)-7,7'-(octa-4-en-2,6-diyne-1,8-diylbis(oxy))bis(4-methyl-2H-chromen-2-one)

(Z)-1,1'-[oct-4-ene-2,6-diyne-1,8-diylbis(thio)]dibenzene

(Z)-1,1'-[oct-4-ene-2,6-diyne-1,8-diyldisulfonyl]dibenzene