O=C1OC(=O)C2C1C1(c3ccccc3)OC2(c2ccccc2)c2c(Br)c(Br)c(Br)c(Br)c21
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?