3-(5,6-Dimethyl-thieno[2,3- d ]pyrimidin-4-ylamino)-propionic acid

3-[5-(2-Methyl-4-nitro-phenyl)-furan-2-yl]-acrylic acid

5-(4-Methoxy-phenyl)-furan-2-carboxylic acid

5-(4-甲氧基苯基-2-糠酸

3-(Thiazol-2-ylcarbamoyl)-acrylic acid

4-Benzothiazol-2-yl-benzoic acid

3- tert -Butoxycarbonylamino-3-(4-chloro-phenyl)-propionic acid

3-(Boc-氨基)-3-(4-氯苯基)丙酸

3-(1H-Benzoimidazol-2-yl)-acrylic acid

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

3-(4-Oxo-4H-benzo[e][1,3]oxazin-3-yl)-propionic acid

3-(2-amino-benzothiazol-6-yl)-propionic acid

3-(2,3-Dioxo-2,3-dihydro-indol-1-yl)-propionic acid