4-Cyano-6-methoxy-3-(trifluoromethoxy)pyridine-2-acetic acid
4-Chloro-3-(chloromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-cyano-5-hydroxy-4-(trifluoromethoxy)pyridine
4-Cyano-2-methoxy-3-(trifluoromethoxy)pyridine-5-acetic acid
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