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