| N-desmethylclozapine DBMET00100 |  | UDP-glucuronosyltransferase 1A4 / UDP-glucuronosyltransferase 1A1 | Desmethylclozapine glucuronide |  | Details |
| N-Desmethyldiphenhydramine DBMET00086 |  | Cytochrome P450 2D6 / Cytochrome P450 1A2 / Cytochrome P450 2C9 / Cytochrome P450 2C19 | N,N-Didesmethyldiphenhydramine |  | Details |
| N-Desmethyldiphenhydramine DBMET00086 | | Cytochrome P450 2C9 / Cytochrome P450 2C19 / Cytochrome P450 2D6 / Cytochrome P450 1A2 | N,N-Didesmethyldiphenhydramine | | Details |
| N-desmethyldoxepin DBMET00315 |  | Cytochrome P450 2D6 | Hydroxydesmethyl doxepin |  | Details |
| N-desmethyldoxepin DBMET00315 | | Not Available | Didesmethyl doxepin |  | Details |
| N-desmethylpheniramine DBMET02635 |  | Not Available | N-didesmethylpheniramine |  | Details |
| N-Desmethylrosiglitazone DBMET00295 |  | Not Available | N-Desmethyl glucuronide rosiglitazone |  | Details |
| N-Desmethylrosiglitazone DBMET00295 | | Not Available | N-Desmethyl-para-hydroxy rosiglitazone |  | Details |
| N-Desmethylrosiglitazone DBMET00295 | | Not Available | N-Desmethyl-ortho-hydroxy rosiglitazone |  | Details |
| N-Desmethyltamoxifen DBMET00029 |  | Cytochrome P450 2D6 | Endoxifen (4-hydroxy-N-desmethyltamoxifen) |  | Details |
| N-Desmethyltamoxifen DBMET00029 | | Cytochrome P450 3A4 / Cytochrome P450 3A5 | N,N-didesmethyltamoxifen |  | Details |
| N-Desmethyltamoxifen DBMET00029 | | Not Available | N-desmethyltamoxifen Sulfate |  | Details |
| N-Desmethylterbinafine DBMET00069 |  | Cytochrome P450 1A2 / Cytochrome P450 2B6 / Cytochrome P450 2C8 / Cytochrome P450 2C9 / Cytochrome P450 2C19 | N-Desmethylhydroxyterbinafine |  | Details |
| N-Desmethylterbinafine DBMET00069 | | Cytochrome P450 1A2 / Cytochrome P450 2B6 / Cytochrome P450 2C9 | N-Desmethylterbinafine dihydrodiol derivative (1) |  | Details |
| N-Desmethylterbinafine DBMET00069 | | Cytochrome P450 1A2 / Cytochrome P450 2B6 / Cytochrome P450 2C9 | N-Desmethylterbinafine dihydrodiol derivative (2) |  | Details |
| N-Desmethyltramadol DBMET00343 |  | Cytochrome P450 3A4 / Cytochrome P450 2B6 | N,N-didesmethyltramadol |  | Details |
| N-Desmethyltramadol DBMET00343 | | Cytochrome P450 2D6 | N,O-didesmethyltramadol |  | Details |
| N-Desmethylvenlafaxine DBMET00055 |  | Cytochrome P450 3A4 / Cytochrome P450 2C19 | N,O-Didesmethylvenlafaxine |  | Details |
| N-Desmethylzolmitriptan DBMET01792 |  | Amine oxidase [flavin-containing] A | Indole ethyl alcohol zolmitriptan derivative |  | Details |
| N-hydroxycynamide DBMET01896 |  | Not Available | cyanide / nitroxyl |   | Details |
| N-hydroxymethyl-aripiprazole DBMET02124 |  | Not Available | Aripiprazole / Formaldehyde |   | Details |
| N-hydroxyphentermine DBMET02228 |  | Not Available | Nitrophentermine |  | Details |
| N-Methylpyrrolidine DBMET03516 |  | Not Available | N-methylpyrrolidine N-oxide |  | Details |
| N-monodesmethyl diltiazem DBMET03220 |  | Cytochrome P450 2D6 | N,O-didesmethyl diltiazem |  | Details |
| N-monodesmethyl diltiazem DBMET03220 | | Liver esterases | Deacetyl N-monodesmethyl diltiazem |  | Details |
| N1-acetyltriethylenetetramine DBMET01456 |  | Diamine acetyltransferase 1 | N1, N10-diacetyltriethylenetetramine |  | Details |
| N4-acetyl-5'-hydroxysulfapyridine DBMET03573 |  | Not Available | N4-acetyl-5'-hydroxysulfapyridine-O-glucuronide |  | Details |
| N4-acetyl-5'-hydroxysulfapyridine DBMET03573 | | Not Available | N4-acetyl-5'-hydroxysulfapyridine-O-glucuronide | | Details |
| N4-acetylsulfapyridine DBMET03572 |  | Not Available | N4-acetyl-5'-hydroxysulfapyridine | | Details |
| Nabumetone DB00461 |  | 11-beta-hydroxysteroid dehydrogenase 1 / Aldo-keto reductase family 1 member C1 / Aldo-keto reductase family 1 member C3 / Aldo-keto reductase family 1 member C4 | 3-OH-nabumetone |  | Details |