Try searching for...
SCFBio, IIT Delhi
Formula: C21H14O6 | Mol. Weight: 362.30 g/mol
IUPAC: 6-prop-1-en-2-yl-7,11,17,19,23-pentaoxahexacyclo[11.10.0.02,10.04,8.014,22.016,20]tricosa-1(13),2(10),3,8,14,16(20),21-heptaen-12-one
CC(=C)C1CC2=CC3=C(C=C2O1)OC(=O)C4=C3OC5=CC6=C(C=C54)OCO6