吡啶-3-丙酸

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

phenyl prop-2-ynoate

(2,4,6-trimethylphenyl) prop-2-ynoate

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