5- tert -Butyl-2-methyl-4-morpholin-4-ylmethyl-furan-3-carboxylic acid

1-(Thiophene-2-carbonyl)-piperidine-4-carboxylic acid

2-Hydroxy-6-methoxy-quinoline-4-carboxylic acid

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

(1 H -Tetrazol-5-yl)-acetic acid

1H-四唑-5-乙酸

2-(4,6-Dimethyl-pyrimidin-2-ylsulfanyl)-propionic acid

4,7-Dioxo-7-thiophen-2-yl-heptanoic acid

5-Isobutyl-isoxazole-3-carboxylic acid

3-[N-(Pyridin-2-yl)sulfamoyl]benzoic acid

2-(2-Oxo-pyrrolidin-1-yl)-propionic acid