5-Bromo-2-(difluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine
4-Chloro-2-cyano-5-(trifluoromethoxy)pyridine-3-methanol
4-Bromo-3-(difluoromethyl)-6-nitro-2-(trifluoromethoxy)pyridine
3-Chloro-5-cyano-2-(trifluoromethoxy)pyridine-6-methanol
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