2-Iodo-3-nitro-6-(trifluoromethoxy)pyridine-5-acetic acid
2-Iodo-3-nitro-5-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 2-(difluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 4-iodo-6-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate