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