4-Amino-6-(bromomethyl)-3-(difluoromethyl)pyridine-2-carboxaldehyde
4-Amino-2-(bromomethyl)-3-(difluoromethyl)pyridine-5-carboxaldehyde
5-Amino-3-(bromomethyl)-4-(difluoromethyl)pyridine-2-carboxaldehyde
Ethyl 3-amino-6-(difluoromethyl)-4-methylpyridine-2-acetate