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