4-Amino-3-fluoro-2-nitro-5-(trifluoromethoxy)pyridine
2,3-Dichloro-6-(trifluoromethoxy)pyridine-4-carboxylic acid
5-Amino-3-fluoro-4-nitro-2-(trifluoromethoxy)pyridine
2,3-Dichloro-4-(trifluoromethoxy)pyridine-6-carboxylic acid
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