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