Try searching for...
SCFBio, IIT Delhi
Formula: C20H28O5 | Mol. Weight: 348.40 g/mol
IUPAC: (1S,4R,6R,7R,12R,13S,16R,18R)-6,18-dihydroxy-8,8-dimethyl-17-methylidene-3,5-dioxapentacyclo[14.2.1.01,13.04,12.07,12]nonadecan-2-one
CC1(CCCC23C1C(OC2OC(=O)C45C3CCC(C4)C(=C)C5O)O)C