Try searching for...
SCFBio, IIT Delhi
Formula: C27H28O7 | Mol. Weight: 464.50 g/mol
IUPAC: 7-[2,5-dimethoxy-4-(3-methylbut-2-enoxy)phenyl]-5-hydroxy-2,2-dimethylpyrano[3,2-g]chromen-6-one
CC(=CCOC1=C(C=C(C(=C1)OC)C2=COC3=CC4=C(C=CC(O4)(C)C)C(=C3C2=O)O)OC)C