Ethyl 2-(bromomethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-5-acetate
3-(Difluoromethyl)-6-hydroxy-2-methoxy-5-(trifluoromethoxy)pyridine
Ethyl 2-(bromomethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-4-acetate
5-Iodo-2-methoxy-4-nitro-3-(trifluoromethoxy)pyridine