4,4'-Dihydroxy-biphenyl-2-carboxylic acid

4,5,6,7-Tetrahydro-1 H -indazole-3-carboxylic acid

4,5,6,7-四氢-1H-吲唑-3-羧酸

4-Ureido-butyric acid

4-脲基-丁酸

5-Oxo-1- o -tolyl-pyrrolidine-3-carboxylic acid

(4-Oxo-4 H -quinazolin-3-yl)-acetic acid

(4-氧代-3-喹唑啉基)乙酸

1-Oxo-isochroman-3-carboxylic acid

(2,5-Dioxo-1-phenyl-imidazolidin-4-yl)-acetic acid

5,6-Dihydro-4H-cyclopenta[b]thiophene-2-carboxylic acid

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

1-Phenyl-2,3,4,9-tetrahydro-1 H -$b-carboline-3-carboxylic acid

2-{[5-(4-Methoxyphenyl)-4-methyl-4H-1,2,4-triazol-3-yl]thio}acetic acid