2-Amino-3-(difluoromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine
3-Bromo-2-chloro-6-methyl-5-(trifluoromethoxy)pyridine
3-Amino-6-(fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
3-Bromo-2-chloro-5-methyl-4-(trifluoromethoxy)pyridine
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