Formula: C19H18O8 | Mol. Weight: 374.30 g/mol
IUPAC: (1R,10S,13S,15S,18R)-7,10,13,18-tetrahydroxy-15-methyl-19-oxapentacyclo[13.3.1.01,10.03,8.013,18]nonadeca-3(8),4,6-triene-2,9,17-trione
CC12CC(=O)C3(C(C1)(CCC4(C3(O2)C(=O)C5=C(C4=O)C(=CC=C5)O)O)O)O