Ethyl 3-amino-2-(bromomethyl)-5-(difluoromethyl)pyridine-6-carboxylate
3-(Fluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Amino-3-chloro-4-(difluoromethyl)pyridine-6-sulfonamide
4-Bromo-3-(difluoromethyl)-2-methoxypyridine-6-carboxylic acid