2-Iodo-3-nitro-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Difluoromethyl)-6-iodo-2-nitro-4-(trifluoromethoxy)pyridine
2-Hydroxy-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-acetic acid
5-(Difluoromethyl)-2-iodo-4-nitro-3-(trifluoromethoxy)pyridine