5-Amino-2-(chloromethyl)-3-nitro-6-(trifluoromethoxy)pyridine
2-Amino-4-fluoro-5-(trifluoromethoxy)pyridine-3-sulfonamide
3-Amino-4-(chloromethyl)-6-nitro-2-(trifluoromethoxy)pyridine
4-Amino-2-hydroxy-5-methoxy-3-(trifluoromethoxy)pyridine
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