5-Amino-2-hydroxy-3-nitro-6-(trifluoromethoxy)pyridine
3-Amino-2-fluoro-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine
4-Amino-3-hydroxy-6-nitro-2-(trifluoromethoxy)pyridine
2-Amino-6-methyl-3-(trifluoromethoxy)pyridine-5-acetic acid
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