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