Ethyl 2-(difluoromethyl)-3-fluoro-5-methylpyridine-6-acetate
2-(Chloromethyl)-6-(difluoromethyl)-5-fluoro-3-nitropyridine
Methyl 3-(difluoromethyl)-5-fluoro-2-methylpyridine-4-acetate
Ethyl 4-(aminomethyl)-2-(difluoromethyl)-3-fluoropyridine-6-acetate