2- tert -Butyl-1,3-dioxo-2,3-dihydro-1H -isoindole-5-carboxylic acid

(2R,4R)-3-Acetyl-2-(4-chloro-phenyl)-thiazolidine-4-carboxylic acid

2-(4-Ethoxy-phenyl)-thiazolidine-4-carboxylic acid

5-Methyl-4-(3-trifluoromethyl-phenoxymethyl)-isoxazole-3-carboxylic acid

3,6-Dicyclopropyl-1-phenyl-1 H -pyrazolo[3,4- b ]pyridine-4-carboxylic acid

7-Trifluoromethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylic acid

5-(4-Difluoromethoxy-phenyl)-1 H -pyrazole-3-carboxylic acid

5-(4-Chloro-phenyl)-4-ethyl-thiophene-2-carboxylic acid

7-Chloromethyl-5-oxo-4,5-dihydro-pyrazolo[1,5- a ]pyrimidine-2-carboxylic acid

4-Isoxazol-5-yl-1-methyl-1 H -pyrazole-3-carboxylic acid