Try searching for...
SCFBio, IIT Delhi
Formula: C20H28O3 | Mol. Weight: 316.40 g/mol
IUPAC: (1R,3E,5S,10R)-5-hydroxy-3,17,17-trimethyl-7-methylidene-15-oxatricyclo[8.5.2.013,16]heptadeca-3,13(16)-dien-14-one
CC1=CC(CC(=C)CCC2CCC3=C(C2(C)C)C(C1)OC3=O)O