Formula: C37H40O11 | Mol. Weight: 660.70 g/mol
IUPAC: (2R,5S,7R,10R,11R,15R,17S)-2,7,10,11,15,20,21-heptamethoxy-5,17-diphenyl-4,12,18-trioxapentacyclo[11.8.0.02,11.03,8.014,19]henicosa-1(21),3(8),13,19-tetraen-9-one
COC1CC(OC2=C(C(=C3C(=C12)OC4(C3(C5=C(C(CC(O5)C6=CC=CC=C6)OC)C(=O)C4OC)OC)OC)OC)OC)C7=CC=CC=C7