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