O=c1c2cc(O)c(O)cc2oc2cc(O)c(C3OC(CO)C(O)C(O)C3O)c(O)c12
For non-ionizable compounds Log P = Log D throughout pH range, whereas for ionizable compounds LogD takes into account the partition of both ionized and non-ionized forms. What is the negative logD of this molecule?