Table 5.
Tissue (ng/g)/serum (ng/mL) ratio for parent compound and O-demethyl metabolites.
| Compound | Time | Brain/serum | Liver/serum | Kidney/serum |
|---|---|---|---|---|
| AMB-FUBINACA | 15 min | 4.38 | 0.56 | 3.27 |
| 30 min | 6.05 | 1.52 | 5.42 | |
| 180 min | n.d. | n.d. | n.d. | |
| O-demethyl AMB-FUBINACA | 15 min | n.d. | 4.47 | 0.50 |
| 30 min | 0.05 | 4.63 | 0.36 | |
| 180 min | n.d. | 1.94 | 0.32 | |
| AMB-CHMICA | 15 min | 0.47 | 18.8 | 0.81 |
| 30 min | 0.31 | 13.3 | 1.00 | |
| 180 min | n.d. | 1.18 | n.d. | |
| O-demethyl AMB-CHMICA | 15 min | n.d. | n.d. | n.d. |
| 30 min | n.d. | n.d. | n.d. | |
| 180 min | n.d. | 15.0 | n.d. |
n.d.: Compound below the limit of detection in tissue and/or serum.