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

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

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

1,4-环己二烯-1,2-二甲酸

1-tert-butyl-4-[2-(4-tert-butylphenyl)ethynyl]benzene