Try searching for...
SCFBio, IIT Delhi
Formula: C19H22O7 | Mol. Weight: 362.40 g/mol
IUPAC: (1S,8R,9S,12S,15S,16R)-8,15-dihydroxy-1,12-dimethyl-6-propan-2-yl-5,10-dioxatetracyclo[7.6.1.02,7.012,16]hexadeca-2,6-diene-4,11,14-trione
CC(C)C1=C2C(C3C4C(CC(=O)C(C4(C2=CC(=O)O1)C)O)(C(=O)O3)C)O