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