CC(C)NC(=O)OCc1c(COC(=O)NC(C)C)c(-c2ccc[n+](COC(=O)C(C)(C)C)c2)n2c1CCC2.[I-]
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 distribution coefficient of this molecule?