6-Chloro-2-(difluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine
5-Chloro-3-nitro-4-(trifluoromethoxy)pyridine-2-acetic acid
2-Chloro-6-(difluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine
Methyl 6-chloro-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetate