Try searching for...
SCFBio, IIT Delhi
Formula: C21H30O6 | Mol. Weight: 378.50 g/mol
IUPAC: (1S,4S,8R,9R,13S,16S,18R)-11,18-dihydroxy-9-methoxy-7,7-dimethyl-17-methylidene-3,10-dioxapentacyclo[14.2.1.01,13.04,12.08,12]nonadecan-2-one
CC1(CCC2C3(C1C(OC3O)OC)C4CCC5CC4(C(C5=C)O)C(=O)O2)C