cis-1,8-bis(pyridin-3-oxy)oct-4-ene-2,6-diyne

4-fluoro-N-[(6Z)-2,11-dioxabicyclo[10.3.1]hexadeca-1(16),6,12,14-tetraene-4,8-diyn-13-ylmethyl]aniline

4,21-dimethyl-8,17-dioxa-3,22-diazatricyclo<16.4.0.02,7>docosa-1(18),2(7),3,5,12,19,21-heptaene-10,14-diyne

(4Z)-N,N'-diphenylocta-4-en-2,6-diyne-1,8-diamine

(4Z)-N,N,N',N'-tetraphenylocta-4-en-2,6-diyne-1,8-diamine