3-(Chloromethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-(Chloromethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-sulfonyl chloride
2-(Difluoromethyl)-5-nitro-3-(trifluoromethyl)pyridine-4-sulfonyl chloride
5-Iodo-2-(methylthio)-3-(trifluoromethyl)pyridine