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