Pyridine series

2,6-dimethtyl-4-bromoiodobenze

2,6-dibromotoluene

2,3,6-trichorotoluene

N-（2-nitrophenyl）-2-fluoroanil

N-（2-nitrophenyl）-2,6-difluoro

5-chlorofuran-2-carboxylic aci

5-bromo-2-chlorophenylisocyana

4-bromobenzoylacetonitirle

4-amino-3,5-dinitrobenzamide

3-chloro-4-fluorophenethyl bro

3-chloro-4-difluoromethoxyphen

3-chloro-2-fluorophenylhydrazi