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