5-(乙硫基)邻-茴香酸

4-(4-carboxy-2,3,6-trifluorophenyl)-2,3,5-trifluorobenzoic acid

4-(3,4-dicarboxy-2,5,6-trifluorophenyl)-3,5,6-trifluorophthalic acid

3-(1-萘基)-2-丙炔酸

2-Propynoic acid, 3,3'-(1,3-phenylene)bis- (en)