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