3-Hydroxy-2-methoxy-5-nitro-4-(trifluoromethoxy)pyridine
5-(Aminomethyl)-2-hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine
6-Hydroxy-2-methoxy-3-nitro-4-(trifluoromethoxy)pyridine
4-(Aminomethyl)-3-hydroxy-6-methoxy-2-(trifluoromethoxy)pyridine
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