3-(Difluoromethyl)-5-nitro-4-(trifluoromethoxy)pyridine
2-Nitro-6-(trifluoromethoxy)pyridine-4-carboxylic acid
2,3-Dihydroxy-4-methyl-6-(trifluoromethoxy)pyridine
2-Nitro-4-(trifluoromethoxy)pyridine-5-carboxylic acid
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