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