| Compound name | Pa | Pi | |
|---|---|---|---|
 | Theophylline | 0.064 | 0.023 |
 | Caffeine | 0.067 | 0.019 |
 | Pyrrolidine | 0.077 | 0.012 |
 | Dioxane | 0.081 | 0.01 |
 | 1,4-Dichlorobenzene | 0.061 | 0.027 |
 | Pyridine | 0.09 | 0.008 |
 | 2-Methylpyrazine | 0.054 | 0.042 |
 | Piperidine | 0.066 | 0.021 |
 | Niacinamide | 0.058 | 0.034 |
 | Succinimide | 0.053 | 0.045 |
 | Diphenylamine | 0.062 | 0.026 |
 | 2-Pyrrolidone | 0.066 | 0.02 |
 | 1-Methylpyrrolidin-2-One | 0.054 | 0.042 |
