1-(3,4-Dimethoxy-benzoyl)-piperidine-4-carboxylic acid

4-Ureido-butyric acid

4-脲基-丁酸

(2-Oxo-pyrrolidin-1-yl)-acetic acid

(2-氧代-吡咯烷-1-基)-乙酸

3-(4-Thiophen-2-yl-6-trifluoromethyl-pyrimidine-2-sulfonyl)-propionic acid

2-(4-Oxo-4 H -quinazolin-3-yl)-propionic acid

2-(4-氧代-4 H-喹唑啉-3-基)-丙酸

4-[(2,5-二甲基呋喃-3-羰酰)胺]丁酸, 4-(2,5-Dimethylfuran-3-carboxamido)butyric acid

(4-Benzyl-1-oxo-1 H -phthalazin-2-yl)-acetic acid

4-[ N '-(4,6-Dimethyl-pyrimidin-2-yl)-guanidino]-benzoic acid

6-Bromo-5-methoxy-1,2-dimethyl-1H-indole-3-carboxylic acid

4-Amino-[1,2,5]thiadiazole-3-carboxylic acid

4-氨基-(1,2,5)-噻二唑-3-甲酸

1,6-Dimethyl-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

1,6-二甲基-4-氧代-1,4-二氢-喹啉-3-羧酸