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

2-(4-methylphenyl)isoindole-1,3-dione

1,1'-(1,2-乙炔二基)二(4-甲基苯)

1-(2,2-difluoroethenyl)-4-methylbenzene

2-甲基-9H-芴-9-酮