Try searching for...
SCFBio, IIT Delhi
Formula: C18H12O5 | Mol. Weight: 308.30 g/mol
IUPAC: 7,11,17,19,23-pentaoxahexacyclo[11.10.0.02,10.04,8.014,22.016,20]tricosa-2(10),3,5,8,14,16(20),21-heptaene
C1C2C(C3=C(O1)C=C4C(=C3)C=CO4)OC5=CC6=C(C=C25)OCO6