Ethyl 4-bromo-6-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-bromo-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate
4-Bromo-3-(difluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine
4-Bromo-2-(difluoromethyl)-6-methyl-3-(trifluoromethoxy)pyridine