Ethyl 2-(difluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-4-acetate
3-(Bromomethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-4-acetic acid
6-(Bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 2-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-6-acetate