SMILES: C1=COC2=CC3=C(C=C21)C(=O)C=CO3
Description: The molecule is a chromone that consists of a furo[3,2-g]chromen-5-one skeleton and its substituted derivatives thereof. (The diagram shows the basic unsubstituted skeleton.) It is a member of chromones, an organic heterotricyclic compound and an oxacycle.