2-Cyano-4-methoxy-5-(trifluoromethoxy)pyridine-3-acetic acid
4-Fluoro-2-methyl-3-nitro-5-(trifluoromethoxy)pyridine
2-Cyano-3-methoxy-5-(trifluoromethoxy)pyridine-4-acetic acid
5-Fluoro-4-methyl-3-nitro-2-(trifluoromethoxy)pyridine
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