2-Chloro-4-nitro-3-(trifluoromethoxy)pyridine-6-sulfonamide
3-(Chloromethyl)-2-cyano-5-hydroxy-4-(trifluoromethoxy)pyridine
2-Chloro-3-nitro-6-(trifluoromethoxy)pyridine-4-sulfonamide
Methyl 2-(aminomethyl)-3-chloro-4-(trifluoromethoxy)pyridine-6-carboxylate