Try searching for...
SCFBio, IIT Delhi
Formula: C22H20O8 | Mol. Weight: 412.40 g/mol
IUPAC: 8-hydroxy-7-methyl-5-(3,4,5-trimethoxyphenyl)benzo[f][1,3]benzodioxole-6-carboxylic acid
CC1=C(C2=CC3=C(C=C2C(=C1C(=O)O)C4=CC(=C(C(=C4)OC)OC)OC)OCO3)O