Try searching for...
SCFBio, IIT Delhi
Formula: C17H22O5 | Mol. Weight: 306.40 g/mol
IUPAC: 2-[(2R,6S,8R,8aR)-6-acetyloxy-8,8a-dimethyl-7-oxo-1,2,3,4,6,8-hexahydronaphthalen-2-yl]prop-2-enoic acid
CC1C(=O)C(C=C2C1(CC(CC2)C(=C)C(=O)O)C)OC(=O)C