2-(4-Carboxy-butyrylamino)-5,6-dihydro-4 H -cyclopenta[ b ]thiophene-3-carboxylic acid ethyl ester

5- tert -Butyl-2 H -pyrazole-3-carboxylic acid

3-叔-丁基-1H-吡唑-5-甲酸

3-[1,2,4]Triazol-1-yl-butyric acid

3-(1 H -Indol-3-yl)-3-pyridin-4-yl-propionic acid

Phenyl-pyrrolidin-1-yl-acetic acid

2-苯基-2-(1-吡咯烷基)乙酸

5-异丙基-2H-吡唑-3-羧酸, 5-Isopropyl-2 H -pyrazole-3-carboxylic acid

3-(4-Methyl-piperidin-1-yl)-propionic acid

3-(4-甲基哌啶-1-基)丙酸

4-(5-Methyl-tetrazol-1-yl)-benzoic acid

苯并咪唑-2-乙酸, (1H-Benzoimidazol-2-yl)-acetic acid

[(4-Fluoro-benzenesulfonyl)-methyl-amino]-acetic acid

N-[(4-氟苯基)磺酰基]-N-甲基甘氨酸

1-(4-Methoxy-phenyl)-5-oxo-pyrrolidine-3-carboxylic acid