3-Amino-2-hydroxy-4-(trifluoromethoxy)pyridine-5-sulfonamide
4-Amino-2-(chloromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine
6-Amino-2-hydroxy-4-(trifluoromethoxy)pyridine-3-sulfonamide
Methyl 2-amino-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate