Methyl 4-(difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-6-carboxylate
5-(Difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-6-acetic acid
3-(Difluoromethyl)-4-iodo-2-(trifluoromethoxy)pyridine-6-acetic acid
2-(Difluoromethyl)-6-iodo-5-(trifluoromethoxy)pyridine-3-acetic acid