6-Hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Iodo-5-nitro-4-(trifluoromethoxy)pyridine
6-Hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-(Difluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-6-carboxylic acid
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