Ethyl 4-(difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-5-acetate
3-(Bromomethyl)-4-(difluoromethyl)-5-iodo-2-(trifluoromethoxy)pyridine
Ethyl 3-(difluoromethyl)-5-iodo-2-(trifluoromethoxy)pyridine-4-acetate
4-(Difluoromethyl)-3-iodo-5-(trifluoromethoxy)pyridine-2-carboxylic acid