4-Chloromethanesulfonyl-2-nitro-phenyl-cyanamide

2-(Ethoxycarbonyl)-2-(2-oxo-propyl)-cyclopentanon

3-Chlorosulfonyl-butyric acid methyl ester

3-Cyclohexyl-3-oxo-propionic acid tert-butyl ester

2-Chlorosulfonyl-3-methyl-butyric acid ethyl ester

3-Benzyl-5-methyl-2-oxo-2,3-dihydro-oxazole-4-carboxylic acid ethyl ester

3-Allyl-5-methyl-2-oxo-2,3-dihydro-oxazole-4-carboxylic acid ethyl ester

5-Phenyl-3H-oxazol-2-one

1,4,5,6-Tetrahydro-3-(trifluoromethyl)pyrrolo-[3,4-c]-pyrazole; hydrochloride

5-tert-Butyl-1-phenyl-1H-pyrazole

4-Chloro-1-methyl-1H-pyrazole-5-carbonitrile