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