2-Amino-6-(difluoromethyl)-5-iodo-3-(trifluoromethoxy)pyridine
4-Amino-3-chloro-2-hydroxy-5-(trifluoromethoxy)pyridine
4-Amino-6-chloro-2-hydroxy-3-(trifluoromethoxy)pyridine
4-Amino-2-chloro-5-hydroxy-3-(trifluoromethoxy)pyridine
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