| 5-Hydroxyvalproic acid DBMET00061 |  | Not Available | 2-Propylglutaric acid |  | Details |
| 5-Hydroxyviloxazine DBMET03493 |  | UDP-glucuronosyltransferase 1A9 / UDP-glucuronosyltransferase 2B15 | 5-Hydroxyviloxazine glucuronide |  | Details |
| 5-Methoxytryptamine DBMET01359 |  | Not Available | Pinoline |  | Details |
| 5-Methoxytryptamine DBMET01359 | | Not Available | Bufotenine |  | Details |
| 5-Methyltetrahydrofolate DBMET00528 |  | Methionine synthase | Methionine |  | Details |
| 5-OH-gepirone DBMET03725 |  | Not Available | 5-OH 1-PP |  | Details |
| 5-OH-gepirone DBMET03725 | | Not Available | 3',5-di-OH-gepirone |  | Details |
| 5-Phenyl-1,3-oxazinane-2,4-dione DBMET01098 |  | Not Available | 3-Carbamoyl-2-phenylpropionic acid |  | Details |
| 5α-dihydronorethisterone DBMET02891 |  | Aldo-keto reductase family 1 member C4 | 3α,5α-tetrahydronorethisterone |  | Details |
| 5α-dihydronorethisterone DBMET02891 | | 3 beta-hydroxysteroid dehydrogenase/Delta 5-->4-isomerase type 2 | 3β,5α-tetrahydronorethisterone |  | Details |
| 5β-dihydronorethisterone DBMET02894 |  | Aldo-keto reductase family 1 member C4 | 3α,5β-tetrahydronorethisterone |  | Details |
| 5β-dihydronorethisterone DBMET02894 | | 3 beta-hydroxysteroid dehydrogenase/Delta 5-->4-isomerase type 2 | 3β,5β-tetrahydronorethisterone |  | Details |
| 5’-Deoxy-5-fluorocytidine (5'-DFCR) DBMET03580 |  | Cytidine deaminase | 5’-Deoxy-5-fluorouridine (5'DFUR) |  | Details |
| 5’-Deoxy-5-fluorouridine (5'DFUR) DBMET00656 | | Thymidine phosphorylase / Uridine phosphorylase 1 / Uridine phosphorylase 2 | 5-fluorouracil |  | Details |
| 6,7-dichloro-3-hydroxy-1,5 dihydro-imidazo[2,1-b]quinazolin-2-one DBMET00772 |  | Cytochrome P450 1A2 | 2-amino-5,6-dichloro-3,4,-dihydroquinazoline |  | Details |
| 6-hydroxy duloxetine DBMET02505 |  | Not Available | Catechol duloxetine |  | Details |
| 6-Hydroxy rizatriptan DBMET03669 |  | Not Available | 6-Hydroxy rizatriptan sulfate |  | Details |
| 6-hydroxy-naphthylacetic acid DBMET02523 |  | Not Available | 6-hydroxy-naphthylacetic acid glucuronide |  | Details |
| 6-hydroxy-naphthylacetic acid DBMET02523 | | Not Available | 6-hydroxy-naphthylacetic acid sulfate |  | Details |
| 6-hydroxyethinylestradiol DBMET03025 |  | Catechol O-methyltransferase | 6-methoxyethinylestradiol |  | Details |
| 6-Hydroxyketamine DBMET00190 |  | Not Available | 6-Hydroxynorketamine |  | Details |
| 6-Hydroxymelatonin DBMET00258 |  | UDP-glucuronosyltransferases (UGTs) | 6-Hydroxymelatonin glucuronide |  | Details |
| 6-Hydroxymelatonin DBMET00258 | | Not Available | 6-Hydroxymelatonin sulfate |  | Details |
| 6-Hydroxymethyletoricoxib DBMET00167 |  | Cytochrome P450 3A4 / Cytochrome P450 2C9 / Cytochrome P450 2D6 / Cytochrome P450 1A2 | 6-Hydroxymethyletoricoxib 1'-N'-oxide |  | Details |
| 6-Hydroxymethyletoricoxib DBMET00167 | | UDP-glucuronosyltransferases (UGTs) | 6-Hydroxymethyletoricoxib glucuronide |  | Details |
| 6-Hydroxymethyletoricoxib DBMET00167 | | Cytochrome P450 3A4 / Cytochrome P450 2C9 | 6-Carboxy-etoricoxib |  | Details |
| 6-Mercaptopurine DBMET00630 |  | Thiopurine S-methyltransferase | 6-methylmercaptopurine |  | Details |
| 6-Mercaptopurine DBMET00630 | | Hypoxanthine-guanine phosphoribosyltransferase | 6-Thiosine 5'-monophosphate |  | Details |
| 6-Mercaptopurine DBMET00630 | | Xanthine dehydrogenase/oxidase | 6-thiouric acid |  | Details |
| 6-Mercaptopurine riboside DBMET01159 |  | Thiopurine S-methyltransferase | 6-Methylmercaptopurine-riboside |  | Details |