methyl 4-oxo-6-phenylhex-5-ynoate

1,4-戊二炔苯

1-methyl-4-(3-phenylprop-2-ynyl)benzene

1-chloro-4-(3-phenylprop-2-ynyl)benzene

1-fluoro-4-(3-phenylprop-2-ynyl)benzene