4-[2-(2,4-DiMethylphenylsulfanyl)phenyl]piperazine-1-carboxylic acid tert-butyl ester 1-[(2-Bromophenyl)thio]-2,4-dimethylbenzene PYRIDINE-2-SULFONYL CHLORIDE 5-(2-fluorophenyl)-1H-pyrrole-3-carbonitrile 3-Pyridinesulfonic acid pyridine-3-sulfonyl chloride 5-(2-Fluorophenyl)-1H-pyrrole-3-carbaldehyde N-NITROSO-DI-ISO-PROPYLAMINE Malononitrile 3-Chloropyridine