1-(Thiophene-2-sulfonyl)-piperidine-3-carboxylic acid

3-(1-Allyl-5-oxo-2-thioxo-imidazolidin-4-yl)-propionic acid

4-[(1,1-Dioxo-tetrahydrothiophen-3-ylamino)-methyl]-benzoic acid

(4-Benzyl-1-oxo-1 H -phthalazin-2-yl)-acetic acid

3-Amino-4,6-dimethyl-thieno[2,3- b ]pyridine-2-carboxylic acid

5-Amino-2-piperidin-1-yl-benzoic acid

3-(3-methyl-5-oxo-4,5-dihydro-pyrazol-1-yl)-benzoic acid

2-Chloro-4-(2,5-dimethyl-pyrrol-1-yl)-benzoic acid

Benzotriazol-2-yl-acetic acid

4-(Toluene-4-sulfonylamino)-cyclohexanecarboxylic acid

[(4-Methyl-furazan-3-carbonyl)-amino]-acetic acid