C#CC1(O)C(COP(=O)(O)OCC2OC(n3ccc(NCCCCCCCCCCCCCCCCCC)nc3=O)C(O)C2O)OC(n2ccc(N)nc2=O)C1O
For non-ionizable compounds Log P = Log D throughout pH range, whereas for ionizable compounds Log D takes into account the partition of both ionized and non-ionized forms. What is the negative log D of this molecule?