Methyl 2-cyano-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
3-(Chloromethyl)-4-fluoro-6-methyl-2-(trifluoromethoxy)pyridine
Methyl 2-cyano-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetate
Methyl 2-cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-acetate