Try searching for...
SCFBio, IIT Delhi
Formula: C15H18O5 | Mol. Weight: 278.30 g/mol
IUPAC: 6-hydroxy-9-(hydroxymethyl)-6-methyl-3-methylidene-3a,4,5,6a,9a,9b-hexahydroazuleno[4,5-b]furan-2,7-dione
CC1(CCC2C(C3C1C(=O)C=C3CO)OC(=O)C2=C)O