2-(Chloromethyl)-4-iodo-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Chloromethyl)-4-(difluoromethyl)-6-iodo-2-(trifluoromethoxy)pyridine
3-Methoxy-5-nitro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Methoxy-5-nitro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride