Methyl 2-(aminomethyl)-6-(difluoromethyl)-4-methylpyridine-3-carboxylate
5-(Difluoromethyl)-4-methyl-3-nitropyridine-2-sulfonyl chloride
Methyl 2-(aminomethyl)-6-(difluoromethyl)-3-methylpyridine-4-carboxylate
3-(Difluoromethyl)-4-methyl-2-nitropyridine-6-sulfonyl chloride