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