Try searching for...
SCFBio, IIT Delhi
Formula: C22H22O8 | Mol. Weight: 414.40 g/mol
IUPAC: 5-hydroxy-7,9,10,12-tetramethoxy-2,2-dimethylpyrano[3,2-b]xanthen-6-one
CC1(C=CC2=C(C3=C(C(=C2O1)OC)OC4=C(C3=O)C(=CC(=C4OC)OC)OC)O)C