2-Fluoro-4-hydroxy-3-nitro-5-(trifluoromethoxy)pyridine
6-(Aminomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-4-acetic acid
2-Fluoro-3-hydroxy-5-nitro-6-(trifluoromethoxy)pyridine
2-(Aminomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-6-acetic acid
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