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