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

4,5-dimethyl-2-pyrrol-1-yl-thiophene-3-carboxylic acid

5-(Pyridin-2-ylcarbamoyl)-3 H -imidazole-4-carboxylic acid

3-(2,5-Dimethyl-pyrrol-1-yl)-benzoic acid

(5,7-Dimethyl-[1,2,4]triazolo[1,5- a ]pyrimidin-2-yl)-acetic acid

5,7-Dimethyl-pyrazolo[1,5- a ]pyrimidine-2,6-dicarboxylic acid 6-ethyl ester

2,3-Di-furan-2-yl-quinoxaline-6-carboxylic acid

1-(Benzo[c][1,2,5]thiadiazole-4-ylsulfonyl)pyrrolidine-2-carboxylic acid

3-(6-Amino-9 H -purin-8-ylsulfanyl)-propionic acid

3-Pyridin-2-yl-propionic acid

3-吡啶-2-基丙酸

3-Hydroxy-adamantane-1-carboxylic acid

3-羟基-1-金刚烷甲酸