4,5-Dihydroxy-3-(trifluoromethoxy)pyridine-2-acetonitrile
Ethyl 2-amino-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
2,5-Dihydroxy-4-(trifluoromethoxy)pyridine-3-acetonitrile
Methyl 5-amino-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate