4-Amino-2-(bromomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine
5-Amino-4-(bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine
3-Amino-2-(bromomethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine
3-Amino-4-(bromomethyl)-2-fluoro-6-(trifluoromethoxy)pyridine