Try searching for...
SCFBio, IIT Delhi
Formula: C25H24O6 | Mol. Weight: 420.50 g/mol
IUPAC: (6R)-3,8,10-trihydroxy-9-(3-methylbut-2-enyl)-6-(2-methylprop-1-enyl)-6H-chromeno[4,3-b]chromen-7-one
CC(=CCC1=C(C2=C(C=C1O)OC3=C(C2=O)C(OC4=C3C=CC(=C4)O)C=C(C)C)O)C