2-Amino-4-hydroxy-5-nitro-3-(trifluoromethoxy)pyridine
4-Amino-6-hydroxy-2-methyl-3-(trifluoromethoxy)pyridine
4-Amino-2-hydroxy-5-methyl-3-(trifluoromethoxy)pyridine
4-Amino-3-(chloromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine
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