Metabolite | Area under the Peak | Percentage of Native | ||
---|---|---|---|---|
Native | Inactivated | |||
OH-benzphetamine | 79 ± 6 | 57 ± 17 | 72 | |
OH-norbenzphetamine | 7.0 ± 2 | 2.2 ± 1 | 31* | |
Norbenzphetamine | 63 ± 0.7 | 16 ± 10 | 25* | |
Methamphetamine | 2.3 ± 2 | 1.7 ± 1 | 74 | |
Amphetamine | 1.2 ± 1 | 0.7 ± 0.5 | 58 |
↵* , indicates statistical significance; P < 0.05.