Ethyl 4-hydroxy-2-methyl-3-(trifluoromethoxy)pyridine-6-acetate
5-(Aminomethyl)-3-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine
Ethyl 3-hydroxy-5-methyl-2-(trifluoromethoxy)pyridine-6-acetate
2-(Aminomethyl)-6-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine