4-Cyano-5-hydroxy-2-(trifluoromethoxy)pyridine-3-acetic acid
3-(Bromomethyl)-5-cyano-4-methyl-2-(trifluoromethoxy)pyridine
4-Cyano-3-hydroxy-5-(trifluoromethoxy)pyridine-2-acetic acid
5-(Bromomethyl)-4-cyano-2-methyl-3-(trifluoromethoxy)pyridine
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