4-Hydroxy-3-(trifluoromethyl)picolinic acid
Ethyl 4-hydroxy-2-(trifluoromethyl)pyridine-3-acetate
3-Hydroxy-5-(trifluoromethyl)isonicotinic acid
Ethyl 3-hydroxy-5-(trifluoromethyl)pyridine-4-acetate
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