Diarbarone

N-(2-diethylaminoethyl)-2-hydroxy-4-oxochromene-3-carboxamide

N-(2-diethylaminoethyl)-2-hydroxy-4-oxo-chromene-3-carboxamide

N-(2-diethylaminoethyl)-2-hydroxy-4-keto-chromene-3-carboxamide