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