(3-Ethyl-4-oxo-3,4,5,6,7,8-hexahydro-benzo[4,5]thieno[2,3- d ]pyrimidin-2-ylsulfanyl)-acetic acid

5-Ethyl-2-methyl-4-nitro-2 H -pyrazole-3-carboxylic acid

(R)-3-叔丁氧基羰基氨基丁酸, (R)-3-tert-Butoxycarbonylamino-butyric acid

5-Nitro-benzo[b]thiophene-2-carboxylic acid

5-硝基苯并噻吩-2-羧酸

(2-Amino-benzothiazol-6-yl)-acetic acid; hydrochloride

2-Hydroxymethyl-1H-benzoimidazole-5-carboxylic acid; hydrochloride

(R)-2-(4-Chloro-phenyl)-thiazolidine-4-carboxylic acid

(R)-2-(4-Hydroxy-phenyl)-thiazolidine-4-carboxylic acid

7-(3,4-Dimethoxy-phenyl)-pyrazolo[1,5- a ]pyrimidine-2-carboxylic acid

7-Phenyl-pyrazolo[1,5- a ]pyrimidine-2-carboxylic acid

3-(2-Fluoro-phenyl)-isoxazole-5-carboxylic acid