3-Bromo-2-(difluoromethyl)-4-fluoro-6-(trifluoromethoxy)pyridine
2-Amino-5-nitro-3-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Amino-5-methyl-3-nitro-4-(trifluoromethoxy)pyridine
2-Amino-4-nitro-6-(trifluoromethoxy)pyridine-3-carboxylic acid
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