4-Chloro-5-cyano-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-(Difluoromethyl)-6-iodo-3-nitropyridine-2-sulfonyl chloride
Methyl 2-nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylate
3-(Chloromethyl)-4-iodo-2-methoxy-5-(trifluoromethoxy)pyridine