Ethyl 2-iodo-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-acetate
4-(Difluoromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 2-iodo-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-acetate
4-(Difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-6-acetic acid