Try searching for...
SCFBio, IIT Delhi
Formula: C15H14O5 | Mol. Weight: 274.27 g/mol
IUPAC: 5-hydroxy-2-(hydroxymethyl)-8-methyl-6,9-dihydropyrano[3,2-h][1]benzoxepin-4-one
CC1=CCC2=C(C=C3C(=C2O)C(=O)C=C(O3)CO)OC1