O=c1c(OC2OC(CO)C(O)C(O)C2OC2OC(CO)C(O)C(O)C2O)c(-c2ccc(O)cc2)oc2cc(O)cc(O)c12
Log D is a distribution coefficient widely used to measure the lipophilicity of ionizable compounds, where the partition is a function of the pH. What is the logD of this molecule?