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