3-(Chloromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-carboxaldehyde
5-(Chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid
3-(Chloromethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxaldehyde
2-Bromo-3-(difluoromethyl)pyridine-4-sulfonyl chloride