6-Chloro-2-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide
2-Cyano-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Chloro-6-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
Methyl 5-(aminomethyl)-3-chloro-2-(trifluoromethoxy)pyridine-4-carboxylate