5-Cyano-2-methyl-3-(trifluoromethoxy)pyridine-6-acetic acid
2-Cyano-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-4-acetic acid
6-(Chloromethyl)-3-cyano-2-nitro-4-(trifluoromethoxy)pyridine
4-Cyano-3-methyl-2-(trifluoromethoxy)pyridine-6-acetic acid
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