Ethyl 5-bromo-2-(difluoromethyl)pyridine-4-acetate
Methyl 6-(bromomethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxylate
Ethyl 4-bromo-3-(difluoromethyl)pyridine-5-acetate
4-(Bromomethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetic acid