3-(2-pyridin-3-ylethynyl)pyridine

1-methyl-2-[2-(2-methylphenyl)ethynyl]benzene

1,3,5-trimethyl-2-[2-(2,4,6-trimethylphenyl)ethynyl]benzene

1-methoxy-3-[2-(3-methoxyphenyl)ethynyl]benzene

3-甲基-6-庚烯-1-炔-3-醇