Formula: C28H22O5 | Mol. Weight: 438.50 g/mol
IUPAC: 4-hydroxy-2,15-dioxapentacyclo[22.2.2.13,7.110,14.016,21]triaconta-1(26),3,5,7(30),10(29),11,13,16(21),18,24,27-undecaene-17,20-dione
C1CC2=C(C(=O)C=CC2=O)OC3=CC=CC(=C3)CCC4=CC(=C(C=C4)O)OC5=CC=C1C=C5