3-Amino-5-(chloromethyl)-4-(difluoromethyl)-2-methoxypyridine
2-Amino-6-(aminomethyl)-3-(difluoromethyl)pyridine-5-carboxaldehyde
5-Amino-3-(aminomethyl)-2-(difluoromethyl)pyridine-4-carboxaldehyde
2-Amino-3-(difluoromethyl)-5-methoxypyridine-4-methanol