3-(3-Bromo-phenyl)-4,5-dihydro-isoxazole-5-carboxylic acid

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

1-(1-Ethyl-3-methyl-1 H -pyrazole-4-sulfonyl)-pyrrolidine-2-carboxylic acid

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

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

2-(4- tert -Butyl-phenyl)-cyclopropanecarboxylic acid

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

1-Propyl-1 H -pyrazole-3-carboxylic acid

2-Methyl-4,5-dinitro-2 H -pyrazole-3-carboxylic acid

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

5-Methyl-4,5,6,7-tetrahydro-benzo[ d ]isoxazole-3-carboxylic acid