Methyl 3-(difluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 4-(difluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine-3-acetate
Methyl 3-(chloromethyl)-2-methyl-5-(trifluoromethoxy)pyridine-6-acetate
Methyl 3-(chloromethyl)-2-methyl-4-(trifluoromethoxy)pyridine-5-acetate