1-(5-Methyl-furan-2-carbonyl)-piperidine-2-carboxylic acid

2-Benzyl-1 H -benzoimidazole-5-carboxylic acid

3-(2,5-Dioxo-imidazolidin-4-yl)-propionic acid

(1,3-Dihydro-isoindol-2-yl)-acetic acid

2-Isobutyl-quinoline-4-carboxylic acid

5,6-Dihydro-4H-cyclopenta[b]thiophene-2-carboxylic acid

4-Oxo-3,4-dihydro-phthalazine-1-carboxylic acid

3-(Benzo[c][1,2,5]thiadiazole-4-sulfonamido)propionic acid

3-Amino-4-piperidin-1-yl-benzoic acid

[3-(4-Hydroxy-phenyl)-2,4-dioxo-thiazolidin-5-yl]-acetic acid