Try searching for...
SCFBio, IIT Delhi
Formula: C21H30O4 | Mol. Weight: 346.50 g/mol
IUPAC: (1R,3E,5S,10R)-5-hydroxy-1-methoxy-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)OC)O