3-Bromo-5-chloro-6-(difluoromethyl)pyridine-2-carboxylic acid
6-Iodo-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-(Fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-methanol
4-Bromo-5-nitro-2-(trifluoromethoxy)pyridine-3-carboxylic acid