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