5-(Difluoromethyl)-2-methyl-3-nitropyridine-4-sulfonyl chloride
2-(Aminomethyl)-3-(difluoromethyl)-5-methylpyridine-6-acetonitrile
4-(Difluoromethyl)-3-methyl-5-nitropyridine-2-sulfonyl chloride
2-(Aminomethyl)-3-(difluoromethyl)-4-methylpyridine-6-acetonitrile