Ethyl 2-bromo-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylate
3-Chloro-6-cyano-2-nitro-5-(trifluoromethoxy)pyridine
3-Chloro-5-cyano-6-nitro-2-(trifluoromethoxy)pyridine
3-Chloro-5-cyano-2-nitro-6-(trifluoromethoxy)pyridine
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