Try searching for...
SCFBio, IIT Delhi
Formula: C20H24O5 | Mol. Weight: 344.40 g/mol
IUPAC: 8-[(3,3-dimethyloxiran-2-yl)methyl]-7-methoxy-5-(3-methylbut-2-enoxy)chromen-2-one
CC(=CCOC1=CC(=C(C2=C1C=CC(=O)O2)CC3C(O3)(C)C)OC)C