4,4'-(4,4'-butadiynediyl-diphenyl)-bis-morpholine

4-(4-((4-(bis(perchlorophenyl)methyl)-2,3,5,6-tetrachlorophenyl)ethynyl)phenyl)morpholine

Δ-4H-2,6-bis(4-N-morpholinophenyl)selenopyran-4-one

1,5-bis(4-morpholinophenyl)-1,4-pentadiyn-3-one