Methyl 3-(difluoromethyl)-5-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate
3-(Aminomethyl)-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-sulfonamide
3-Methyl-5-nitro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 3-(difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate