Ethyl 2-bromo-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate
6-Chloro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-acetic acid
3-Bromo-4-methyl-5-nitro-2-(trifluoromethoxy)pyridine
2-Chloro-4-hydroxy-3-(trifluoromethoxy)pyridine-5-acetic acid