4-Chloro-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Chloro-2-(difluoromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine
Ethyl 2-chloro-4-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate
4-Chloro-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylic acid