4-Methoxy-3-nitro-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-(Difluoromethyl)-6-nitro-5-(trifluoromethyl)pyridine-3-sulfonyl chloride
Ethyl 5-bromo-4-iodo-2-(trifluoromethoxy)pyridine-3-carboxylate
4-Amino-3-cyano-2-(difluoromethyl)-5-iodopyridine