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