1,2,3,4,5-pentafluoro-6-[4-(2,3,4,5,6-pentafluorophenyl)buta-1,3-diynyl]benzene

3-(4-amino-2,3,5,6-tetrafluorophenyl)prop-2-yn-1-ol

3-(2,3,4,5,6-pentafluorophenyl)prop-2-ynal

3-(2,3,4,5,6-pentafluorophenyl)prop-2-ynoic acid

1-ethynyl-2,3,5,6-tetrafluoro-4-methoxybenzene