Formula: C19H22O7 | Mol. Weight: 362.40 g/mol
IUPAC: (1R,2R,4S,5S,8S,9S,10R,11S,12S)-4,5,12-trihydroxy-11-methyl-6-methylidene-16-oxo-15-oxapentacyclo[9.3.2.15,8.01,10.02,8]heptadec-13-ene-9-carboxylic acid
CC12C(C=CC3(C1C(C45C3CC(C(C4)(C(=C)C5)O)O)C(=O)O)OC2=O)O