2-Bromo-4-hydroxy-5-nitro-3-(trifluoromethoxy)pyridine
2-Bromo-5-iodo-4-methoxy-3-(trifluoromethoxy)pyridine
Ethyl 3-bromo-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 2-bromo-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate