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