3,6-Difluoro-2-methyl-4-(trifluoromethoxy)pyridine
3-Nitro-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2,5-Difluoro-3-methyl-6-(trifluoromethoxy)pyridine
2-Nitro-5-(trifluoromethoxy)pyridine-3-carboxylic acid
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