2,4-Dihydroxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid
5-Amino-3-iodo-4-nitro-2-(trifluoromethoxy)pyridine
2,3-Dihydroxy-5-(trifluoromethoxy)pyridine-6-carboxylic acid
5-Amino-3-chloro-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine
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