Oc1cc(O)c2c(c1)O[C@H](c1ccc(O)c(O)c1)[C@@H](O)[C@@H]2c1c(O)cc(O)c2c1O[C@@H](c1ccc(O)c(O)c1)[C@H](O)C2
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 logD of this molecule?