3-Chloro-6-nitro-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Methyl 3-amino-2-methoxy-5-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 4-(difluoromethyl)-6-methoxy-2-nitropyridine-3-acetate
5-Hydroxy-2-iodo-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride