Try searching for...
SCFBio, IIT Delhi
Formula: C20H28O4 | Mol. Weight: 332.40 g/mol
IUPAC: (3E)-3-[2-[(3R,4aS,8aS)-3-hydroxy-5,5,8a-trimethyl-2-methylidene-4-oxo-4a,6,7,8-tetrahydro-1H-naphthalen-1-yl]ethylidene]oxolan-2-one
CC1(CCCC2(C1C(=O)C(C(=C)C2CC=C3CCOC3=O)O)C)C