3-Bromo-2-(chloromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Chloro-2-(chloromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine
2-Bromo-3-(difluoromethyl)-6-methyl-4-(trifluoromethoxy)pyridine
2-Chloro-6-(chloromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine