6-Hydroxy-4-nitro-2-(trifluoromethoxy)pyridine-3-carbonyl chloride
2-(Bromomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-acetic acid
4-Iodo-3-methoxy-2-methyl-5-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-3-hydroxy-2-methoxy-5-(trifluoromethoxy)pyridine