Ethyl 3-(difluoromethyl)-6-methoxy-2-nitropyridine-4-acetate
6-(Difluoromethyl)-4-methyl-2-nitropyridine-3-carboxaldehyde
3-(Aminomethyl)-4-(difluoromethyl)-2-methylpyridine-6-carboxaldehyde
Ethyl 2-(chloromethyl)-4-(difluoromethyl)-5-methoxypyridine-3-acetate