COc1cc(C(c2c(C)n[nH]c2O)c2c(C)n[nH]c2O)ccc1OS(=O)(=O)c1ccc(C)cc1
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?