3-Methoxy-5-methyl-2-nitro-4-(trifluoromethoxy)pyridine
6-(Difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-(Difluoromethyl)-4-iodo-6-(trifluoromethoxy)pyridine-3-acetic acid
2-(Difluoromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-4-acetic acid