Methyl 5-fluoro-2-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 4-fluoro-5-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Cyano-2-methoxy-5-(trifluoromethoxy)pyridine-4-methanol
6-Cyano-2-methoxy-3-(trifluoromethoxy)pyridine-4-methanol