Ethyl 4-chloro-3-nitro-5-(trifluoromethoxy)pyridine-2-carboxylate
2-Chloro-6-nitro-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
Ethyl 3-chloro-2-nitro-5-(trifluoromethoxy)pyridine-4-carboxylate
4-(Aminomethyl)-3-chloro-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine