O=C1c2ccccc2C(=O)c2c(Nc3cc4c5c(ccc6c7ccc8c9c(cc(Nc%10cccc%11c%10C(=O)c%10ccccc%10C%11=O)c(c3c56)c97)-c3ccccc3C8=O)C(=O)c3ccccc3-4)cccc21
The distribution coefficient (Log D) is important for the analysis of the drug candidate properties in various biologic media with different pH values. What is the negative log D of this molecule?