4,12-Dihydroxy-11-methyl-6-methylidene-16-oxo-15-oxapentacyclo[9.3.2.15,8.01,10.02,8]heptadec-2-ene-9-carboxylic acid (Q105329271)
group of stereoisomers with the chemical formula C₁₉H₂₂O₆