5-Bromo-2-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine
4-Bromo-5-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine
3-Cyano-2-hydroxy-4-(trifluoromethoxy)pyridine-6-acetonitrile
2-Bromo-5-(difluoromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine
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