Formula: C19H22O7 | Mol. Weight: 362.40 g/mol
IUPAC: (1R,2R,5R,8R,9S,10R,11S,12R,13S)-12,13-dihydroxy-11-methyl-6-methylidene-4,16-dioxo-15-oxapentacyclo[9.3.2.15,8.01,10.02,8]heptadecane-9-carboxylic acid
CC12C3C(C45CC(C(=C)C4)C(=O)CC5C3(CC(C1O)O)OC2=O)C(=O)O