1-(3-naphthalen-1-ylprop-2-ynoxy)-4-phenylbut-3-yn-2-one

4-phenyl-1-[3-(2,4,6-trimethylphenyl)prop-2-ynoxy]but-3-yn-2-one

4-phenyl-1-(4-phenylbut-3-yn-2-yloxy)but-3-yn-2-one

2-phenylethynylsulfonylmethylbenzene

3-phenyl-2H-2,7-naphthyridin-1-one