4-Bromophenylhydrazine hydrochloride

4-Carbamoyl-1-methylpyridiniumiodide

4'-Nitro-[1,1'-biphenyl]-4-carboxaldehyde

4-CHLORO-1(2H)-ISOQUINOLONE

4-CHLORO-1,3-DIMETHYLPYRAZOLO[3,4-B]PYRIDINE-5-CARBONYL CHLORIDE

4-Chloro-2-methylthiopyrimidine

4-CHLORO-2-(TRIFLUOROMETHOXY)ANILINE