3-(5-Thiophen-2-yl-furan-2-yl)-propionic acid

1-Benzyl-5-oxo-pyrrolidine-3-carboxylic acid

1-苯基-5-氧代吡咯烷-3-甲酸

1H -Benzo[g]indole-2-carboxylic acid

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

(1-Ethyl-1H-benzoimidazol-2-ylsulfanyl)-acetic acid

5-(4-Chloro-phenyl)-1-vinyl-1 H -pyrrole-2-carboxylic acid

5-Methyl-4-oxo-3,4-dihydro-thieno[2,3- d ]pyrimidine-6-carboxylic acid

5-甲基-4-氧代-3,4-二氢-噻吩并[2,3-D]嘧啶-6-羧酸

1 H -Imidazole-4,5-dicarboxylic acid 4-ethyl ester

(4-Hydroxy-1,1-dioxo-tetrahydrothiophen-3-ylamino)-acetic acid

(2-Propyl-benzoimidazol-1-yl)-acetic acid

N-Pyridin-4-yl-succinamic acid