1,3,5,7-tetramethyl-3,5-bis(phenylethynyl)-1,3,4,4a,5,8a-hexahydro-1,4-ethenonaphthalene-2,6-dione

1,1,1-trifluoro-4-phenylbut-3-yn-2-one

1-氯-4-(苯基乙炔基)苯