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