1-(2-iodoethynyl)-4-methylbenzene

1-methyl-4-[4-(4-methylphenyl)buta-1,3-diynyl]benzene

1,4-二苯基丁二炔

1-methyl-4-(phenylbuta-1,3-diyn-1-yl)benzene

1-methyl-4-propa-1,2-dienylbenzene