Try searching for...
SCFBio, IIT Delhi
Formula: C21H30O6 | Mol. Weight: 378.50 g/mol
IUPAC: [(4aR,5R,6S,8aS,9aS)-8a-hydroxy-9a-methoxy-3,4a,5-trimethyl-2-oxo-4,5,6,7,8,9-hexahydrobenzo[f][1]benzofuran-6-yl] (Z)-2-methylbut-2-enoate
CC=C(C)C(=O)OC1CCC2(CC3(C(=C(C(=O)O3)C)CC2(C1C)C)OC)O