3-(4-methylphenyl)prop-2-ynoic acid

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

2-[2-(4-methylphenyl)ethynyl]pyridine

3-(2-(4-methylphenyl)ethynyl)pyridine

1-苄基-1H-1,2,3-噻唑-4-羧酸