3-Oxo-2-(thiophene-2-carbonyl)-butyric acid ethylester

3-Oxo-3-(4-phenoxyphenyl)propionic acid ethyl ester

4'-Nitrobiphenyl-4-sulfonyl chloride

4-[3-(4-Nitrophenyl)ureido]benzenesulfonylchloride

4-[3-(4-Fluoro-phenyl)ureido]-2-methylbenzenesulfonyl chloride

2-Methyl-4-(3-methyl-ureido)-benzenesulfonylchloride

4-Ethoxy-3-(3-pyridin-4-yl-ureido)benzenesulfonyl chloride hydrogen sulfate

2-Chloro-4-(3-pyridin-3-yl-ureido)benzenesulfonylchloride hydrochloride

2-Ethoxy-5-(4-fluorobenzoylamino)benzenesulfonyl chloride

4-(3,3-Dipropyl-ureido)benzenesulfonyl chloride

5-Chlorosulfonyl-2-ethoxyphenyl urea