Methyl 6-cyano-2-methoxy-3-(trifluoromethoxy)pyridine-4-acetate
2-(Bromomethyl)-6-cyano-3-methyl-4-(trifluoromethoxy)pyridine
Methyl 2-cyano-6-methoxy-4-(trifluoromethoxy)pyridine-3-acetate
6-(Bromomethyl)-3-cyano-4-methyl-2-(trifluoromethoxy)pyridine