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