Formula: C22H20O7 | Mol. Weight: 396.40 g/mol
IUPAC: (13R)-8,17-dihydroxy-6,19-dimethoxy-14,14-dimethyl-3,15-dioxapentacyclo[11.6.1.02,11.04,9.016,20]icosa-1(19),2(11),4,6,8,16(20),17-heptaen-10-one
CC1(C2CC3=C(C4=C(C=C(C(=C24)O1)O)OC)OC5=CC(=CC(=C5C3=O)O)OC)C