Ethyl 2-chloro-6-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate
3-Cyano-2-(fluoromethyl)-6-methoxy-5-(trifluoromethoxy)pyridine
2-Cyano-6-(fluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine
2-Cyano-5-(fluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine