Sub Group: Heterocyclic Compounds Catalog Number: 11203 Formula: C13H10O5 CAS Number: 482-27-9 Molecular Weight: 246.22 Synonyms: 4,9-Dimethoxy-furo[3,2-γ],chromen-7-one4,9-Dimethoxy-7H-furo[3,2-γ],[1]benzopyran-7-one