Methyl 5-(chloromethyl)-3-(difluoromethyl)-2-methylpyridine-4-acetate
Methyl 3-(chloromethyl)-5-(difluoromethyl)-6-methylpyridine-2-acetate
Methyl 5-(chloromethyl)-3-(difluoromethyl)-4-methylpyridine-2-acetate
Methyl 3-(chloromethyl)-2-(difluoromethyl)-6-methylpyridine-4-acetate