| Ziprasidone Sulfoxide DBMET02984 |  | Not Available | Ziprasidone Sulfone |  | Details |
| Zolmitriptan DB00315 |  | Cytochrome P450 1A2 | Zolmitriptan N-oxide |  | Details |
| Zolmitriptan DB00315 | | Cytochrome P450 1A2 | N-Desmethylzolmitriptan |  | Details |
| Zolpidem DB00425 |  | Cytochrome P450 2C9 / Cytochrome P450 2C19 / Cytochrome P450 3A4 / Cytochrome P450 1A2 / Cytochrome P450 2D6 | Methoxyzolpidem derivative (M3) |  | Details |
| Zolpidem DB00425 | | Cytochrome P450 3A4 / Cytochrome P450 1A2 / Cytochrome P450 2D6 | Methoxyzolpidem derivative (M4) |  | Details |
| Zolpidem DB00425 | | Cytochrome P450 3A4 | Hydroxylated metabolites |  | Details |
| Zolpidem DB00425 | | Cytochrome P450 3A4 / Cytochrome P450 1A2 / Cytochrome P450 2D6 / Cytochrome P450 2C9 / Cytochrome P450 2C19 | methoxyzolpidem |  | Details |
| Zonisamide DB00909 |  | Cytochrome P450 3A4 | 2-sulfamoylacetylphenol |  | Details |
| Zonisamide DB00909 | | Not Available | N-acetyl zonisamide |  | Details |
| Zopiclone DB01198 |  | Cytochrome P450 2C8 / Cytochrome P450 3A4 / Cytochrome P450 2C9 | N-desmethylzopiclone |  | Details |
| Zopiclone DB01198 | | Cytochrome P450 2C9 | Zopiclone N-oxide |  | Details |
| Zopiclone DB01198 | | Prostaglandin G/H synthase 1 | Carbon dioxide |  | Details |
| Zopiclone DB01198 | | Cytochrome P450 2C8 / Cytochrome P450 3A4 | zopiclone-N-oxide |  | Details |
| Zotepine DB09225 |  | Cytochrome P450 1A2 | 2-OH-zotepine |  | Details |
| Zotepine DB09225 | | Cytochrome P450 3A4 | Zotepine N-oxide |  | Details |
| Zotepine DB09225 | | Cytochrome P450 1A1 / Cytochrome P450 1A2 / Cytochrome P450 3A4 / Cytochrome P450 2D6 / Cytochrome P450 2C19 | 3-OH-zotepine |  | Details |
| Zotepine DB09225 | | Cytochrome P450 1A1 / Cytochrome P450 1A2 / Cytochrome P450 2B6 / Cytochrome P450 3A4 / Cytochrome P450 3A5 | Zotepine -oxide |  | Details |
| Zotepine DB09225 | | Cytochrome P450 1A1 / Cytochrome P450 1A2 / Cytochrome P450 3A4 / Cytochrome P450 3A5 / Cytochrome P450 2B6 / Cytochrome P450 2C19 | Norzotepine |  | Details |
| α-D-galactose DBMET02088 |  | Galactokinase | galactose-1-phosphate |  | Details |
| α-Hydroxy sertraline ketone DBMET02916 |  | Not Available | Sertraline carbamoyl-O-glucuronide |  | Details |
| α-hydroxytamoxifen DBMET02703 |  | Not Available | α-hydroxytamoxifen Glucuronide |  | Details |
| α-hydroxytamoxifen DBMET02703 | | Sulfotransferase 1A2 | α-tamoxifen Sulfate |  | Details |
| α-ketoglutarate hydrazone DBMET02817 |  | Not Available | Phthalazinone |  | Details |
| β-ureidopropionic acid (FUPA) DBMET03582 |  | Beta-ureidopropionase | Urea / fluoro-β-alanine (FBAL) |   | Details |
| Δ1-cortienic acid etabonate (PJ-91) DBMET02133 |  | Serum paraoxonase/arylesterase 1 | Δ1-cortienic acid (PJ-90) |  | Details |
| ω-hydroxy-butyrfentanyl DBMET02693 |  | Not Available | ω-carboxy-butyrfentanyl |  | Details |