3-Phenyl-quinoxaline-2-carboxylic acid

3-Ethyl-6,7-dimethyl-quinoxaline-2-carboxylic acid

4-Phenyl-3-sulfamoyl-5-trifluoromethyl-thiophene-2-carboxylic acid methyl ester

2,3-Dihydro-benzofuran-7-sulfonic acid amide

6-Chloro-5-methyl-pyridine-3-sulfonic acid amide

1-Methyl-1H-indole-7-sulfonic acid amide

1,5-Dimethyl-3-trifluoromethyl-1H-pyrazole-4-sulfonic acid amide

4-Chloro-3-cyano-benzenesulfonamide

1-(4-Amino-phenyl)-cyclobutanecarboxylic acid methyl ester

5-Acetyl-2-methyl-3H-imidazole-4-carboxylic acid ethyl ester

2,4,6-Trimethyl-benzenesulfonate1-amino-pyrazin-1-ium