Formula: C19H22O7 | Mol. Weight: 362.40 g/mol
IUPAC: (1R,2R,4S,5R,8R,9S,10R,11S,14R)-4,14-dihydroxy-11-methyl-6-methylidene-12,16-dioxo-15-oxapentacyclo[9.3.2.15,8.01,10.02,8]heptadecane-9-carboxylic acid
CC12C3C(C45CC(C(CC4C3(C(CC1=O)O)OC2=O)O)C(=C)C5)C(=O)O