Methyl 6-(difluoromethyl)-2-methyl-4-nitropyridine-3-acetate
5-(Aminomethyl)-2-(difluoromethyl)-4-methylpyridine-3-carboxaldehyde
Methyl 2-(difluoromethyl)-6-methyl-3-nitropyridine-5-acetate
Methyl 2-(difluoromethyl)-5-methyl-6-nitropyridine-3-acetate