2-((4,9-Dimethoxy-5H-furo(3,2-g)(1)benzopyran-5-on-7-yl)methylenehydrazino)thiazolidin-4-one 201747-24-2 5H-Furo(3,2-g)(1)benzopyran-7-carboxaldehyde, 4,9-dimethoxy-5-oxo-, 7-((4,5-dihydro-4-oxo-2-thiazolyl)hydrazine)