2-Bromo-5-chloro-3-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Amino-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Amino-3-(difluoromethyl)-4-nitro-6-(trifluoromethoxy)pyridine
2-Bromo-3-chloro-6-(trifluoromethoxy)pyridine-4-carboxylic acid