| 5-fluorouracil DBMET00449 |  | Not Available | 5-fluorodeoxyuridine-monophosphate / 5-fluorouridine-triphosphate |   | Details |
| 5-fluorouridine diphosphate (5-FUDP) DBMET03589 |  | Ribonucleoside-diphosphate reductase large subunit / Ribonucleoside-diphosphate reductase subunit M2 | 5-fluorodeoxyuridine diphosphate (5-FdUDP) |  | Details |
| 5-fluorouridine diphosphate (5-FUDP) DBMET03589 | | Nucleoside diphosphokinase | 5-fluorouridine triphosphate (5-FUTP) |  | Details |
| 5-fluorouridine diphosphate (5-FUDP) DBMET03589 | | Nucleoside diphosphokinase | 5-fluorouridine triphosphate (5-FUTP) | | Details |
| 5-fluorouridine monophosphate (5-FUMP) DBMET03586 |  | UMP-CMP kinase | 5-fluorouridine diphosphate (5-FUDP) | | Details |
| 5-fluorouridine monophosphate (5-FUMP) DBMET03586 | | UMP-CMP kinase | 5-fluorouridine diphosphate (5-FUDP) | | Details |
| 5-fluorouridine triphosphate (5-FUTP) DBMET03590 | | UDP-glucuronosyltransferase 1A9 | 5-FUDP-hexose |  | Details |
| 5-fluorouridine triphosphate (5-FUTP) DBMET03590 | | UDP-glucuronosyltransferase 1A9 | 5-FUDP-hexose | | Details |
| 5-fluouridine (5-FUR) DBMET03591 |  | Uridine-cytidine kinase-like 1 / Uridine-cytidine kinase 2 | 5-fluorouridine monophosphate (5-FUMP) | | Details |
| 5-FUH2 DBMET02004 |  | Dihydropyrimidinase-related protein 2 | FUPA |  | Details |
| 5-Glucuronyloxy dexlansoprazole DBMET03751 |  | Not Available | 5-glucuronyloxy dexlansoprazole sulfide |  | Details |
| 5-Hydroxy dexlansoprazole DBMET01494 |  | Not Available | 5-hydroxy dexlansoprazole sulfone |  | Details |
| 5-hydroxy diclofenac DBMET02613 |  | Not Available | 5-hydroxy-4-glutathione conjugated diclofenac |  | Details |
| 5-hydroxy diclofenac DBMET02613 | | Not Available | 5-hydroxy-6-glutathione conjugated diclofenac |  | Details |
| 5-hydroxy diclofenac DBMET02613 | | Not Available | 5,N-dihydroxy diclofenac |  | Details |
| 5-hydroxy diclofenac DBMET02613 | | Cytochrome P450 2C9 | 4',5-Dihydroxydiclofenac |  | Details |
| 5-hydroxy duloxetine DBMET02504 |  | Not Available | Catechol duloxetine |  | Details |
| 5-Hydroxy pirfenidone DBMET03538 |  | Not Available | 5-Carboxy pirfenidone |  | Details |
| 5-hydroxy, 6-methoxy duloxetine DBMET02507 |  | Not Available | 5-hydroxy, 6-methoxy duloxetine sulfate |  | Details |
| 5-hydroxy, 6-methoxy duloxetine DBMET02507 | | Not Available | 5-hydroxy, 6-methoxy duloxetine sulfate | | Details |
| 5-hydroxy, 6-methoxy duloxetine DBMET02507 | | Not Available | 5-hydroxy, 6-methoxy duloxetine glucuronide |  | Details |
| 5-hydroxy, 6-methoxy duloxetine DBMET02507 | | Not Available | 5-hydroxy, 6-methoxy duloxetine glucuronide | | Details |
| 5-Hydroxyketamine DBMET00191 |  | Not Available | 5-Hydroxynorketamine |  | Details |
| 5-Hydroxymethyl tolterodine DBMET00143 |  | Not Available | N-Dealkylated 5-hydroxymethyl tolterodine |  | Details |
| 5-Hydroxymethyl tolterodine DBMET00143 | | Not Available | 5-Carboxylic acid tolterodine |  | Details |
| 5-Hydroxyrofecoxib DBMET00169 |  | UDP-glucuronosyltransferases (UGTs) | 5-Hydroxyrofecoxib O-glucuronide |  | Details |
| 5-Hydroxysulfamethoxazole DBMET00016 |  | Arylamine N-acetyltransferase 1 / Arylamine N-acetyltransferase 2 | N4-Acetyl-5-OH-sulfamethoxazole |  | Details |
| 5-hydroxytegafur DBMET00753 |  | Not Available | 5-fluorouracil | | Details |
| 5-Hydroxythalidomide DBMET00034 |  | Not Available | cis,trans-5,5’-dihydroxythalidomide |  | Details |
| 5-Hydroxythalidomide DBMET00034 | | Cytochrome P450 2C19 / Cytochrome P450 2C9 / Cytochrome P450 1A1 | 5,6-dihydroxythalidomide |  | Details |