2-Bromo-5-chloro-4-iodo-3-(trifluoromethoxy)pyridine
5-Bromo-2-chloro-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
4-Bromo-2-chloro-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-Amino-6-(chloromethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine