Formula: C21H18O9 | Mol. Weight: 414.40 g/mol
IUPAC: (11S,13R,14S,15S,16S)-9,14,15-trihydroxy-13-(hydroxymethyl)-5-(4-hydroxyphenyl)-4,12,17-trioxatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),2,5,8-tetraen-7-one
C1=CC(=CC=C1C2=CC(=O)C3=C(C4=C(C=C3O2)OC5C4OC(C(C5O)O)CO)O)O