3-Cyano-4-fluoro-6-iodo-2-(trifluoromethoxy)pyridine
3-Cyano-2-nitro-6-(trifluoromethoxy)pyridine-4-acetic acid
5-Chloro-2-nitro-3-(trifluoromethoxy)pyridine-6-acetic acid
4-Chloro-3-nitro-6-(trifluoromethoxy)pyridine-2-acetic acid
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