| DB00943 | Zalcitabine | approved, investigational | unknown | | Details |
| DB00441 | Gemcitabine | approved | no | | Details |
| DB00495 | Zidovudine | approved | unknown | | Details |
| DB00900 | Didanosine | approved | unknown | | Details |
| DB01033 | Mercaptopurine | approved | unknown | substrate | Details |
| DB00898 | Ethanol | approved | unknown | | Details |
| DB09327 | Tegafur-uracil | approved, investigational | no | substrate | Details |
| DB00432 | Trifluridine | approved, investigational | unknown | substrate | Details |
| DB00993 | Azathioprine | approved | unknown | substrate | Details |
| DB00640 | Adenosine | approved, investigational | unknown | substrate | Details |