Try searching for...
SCFBio, IIT Delhi
Formula: C17H10O4 | Mol. Weight: 278.26 g/mol
IUPAC: 5-hydroxy-2-phenylfuro[2,3-h]chromen-4-one
C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C4=C(C=C3O)OC=C4