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