Methyl 3-chloro-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-chloro-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate
4-Bromo-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-2-acetic acid
Methyl 3-chloro-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylate