Methyl 6-chloro-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate
2-(Aminomethyl)-3-chloro-5-nitro-6-(trifluoromethoxy)pyridine
Methyl 2-chloro-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxylate
3-Chloro-5-(fluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine