Try searching for...
SCFBio, IIT Delhi
Formula: C14H14Cl2O4 | Mol. Weight: 317.20 g/mol
IUPAC: 3,4-dichloro-2,8,8-trimethyl-6,7-dihydrofuro[3,2-h]chromene-5,7-diol
CC1=C(C2=C(C(=C3CC(C(OC3=C2O1)(C)C)O)O)Cl)Cl