6-Amino-4-(difluoromethyl)-2-methylpyridine-3-sulfonamide
2-Amino-3-(bromomethyl)-4-(difluoromethyl)pyridine-5-carboxylic acid
4-Amino-5-(bromomethyl)-3-(difluoromethyl)pyridine-2-carboxaldehyde
3-Amino-5-(bromomethyl)-2-(difluoromethyl)pyridine-4-carboxaldehyde