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