1-Ethynyl-4-(trifluoromethyl)benzene4-Ethynylbenzotrifluoride4-(Trifluoromethyl)phenylacetylene 99%4-乙炔基-α,α,α-三氟甲苯4-Ethynyl-α,α,α-trifluorotoluene4-Ethynyl-alpha,alpha,alpha-trifluorotoluene1-ethynyl-4-(trifluoromethyl)benzene1-Ethynyl-4-trifluoromethyl-benzene