Try searching for...
SCFBio, IIT Delhi
Formula: C15H14O4 | Mol. Weight: 258.27 g/mol
IUPAC: 7-methoxy-8-[(2S,3S)-3-prop-1-en-2-yloxiran-2-yl]chromen-2-one
CC(=C)C1C(O1)C2=C(C=CC3=C2OC(=O)C=C3)OC