Try searching for...
SCFBio, IIT Delhi
Formula: C20H28O6 | Mol. Weight: 364.40 g/mol
IUPAC: (1S,4S,8R,9R,13S,16S,17R)-9,11-dihydroxy-7,7,17-trimethyl-3,10-dioxapentacyclo[14.2.1.01,13.04,12.08,12]nonadecane-2,18-dione
CC1C2CCC3C(C2)(C1=O)C(=O)OC4C35C(C(OC5O)O)C(CC4)(C)C