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