4-Amino-2-(aminomethyl)-3-(difluoromethyl)pyridine-5-carboxaldehyde
3-Amino-6-(difluoromethyl)-2-methylpyridine-4-acetonitrile
Methyl 2-amino-6-(difluoromethyl)-4-methoxypyridine-3-acetate
Methyl 6-amino-4-(difluoromethyl)-2-methoxypyridine-3-acetate