3- tert -Butoxycarbonylamino-3-(3,4-dimethoxy-phenyl)-propionic acid

6-(4-Chloro-phenyl)-1,3-dimethyl-1 H -pyrazolo[3,4- b ]pyridine-4-carboxylic acid

5-Methyl-4-(4-nitro-pyrazol-1-ylmethyl)-isoxazole-3-carboxylic acid

1-(1-Ethyl-5-methyl-1 H -pyrazole-4-sulfonyl)-piperidine-4-carboxylic acid

5-(4-甲氧基苯基)异噁唑-3-甲酸, 5-(4-Methoxy-phenyl)-isoxazole-3-carboxylic acid

4-Ethyl-5- p -tolyl-thiophene-2-carboxylic acid

5-(3-hydroxy-phenyl)-isoxazole-3-carboxylic acid

4-Methyl-5-(5-methyl-furan-2-yl)-thiophene-2-carboxylic acid

1-丙基-1H-吡唑-5-羧酸, 2-Propyl-2 H -pyrazole-3-carboxylic acid

3-(TOLUENE-4-SULFONYL)-PROPIONIC ACID

1-(4-Nitro-benzenesulfonyl)-piperidine-4-carboxylic acid