Methyl 3-(difluoromethyl)-4-methyl-2-nitropyridine-5-carboxylate
Methyl 2-(difluoromethyl)-4-methyl-3-nitropyridine-5-carboxylate
3-(Difluoromethyl)-6-methyl-4-nitropyridine-2-carboxylic acid
3-(Aminomethyl)-4-(difluoromethyl)-5-methylpyridine-2-carboxaldehyde