| N-Acetoacetyl-N-deacetylcolchicine | Organic compounds | Benzenoids | Phenol ethers | Anisoles | Details |
| (+)-Na-Demethylsemperviraminone | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Diterpenoids | Details |
| N-Benzoyl-O-acetylbuxalongifoline | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Steroidal alkaloids | Details |
| 1-[4,6-dihydroxy-3-(3-methylbut-2-en-1-yl)-2-[(3-methylbut-2-en-1-yl)oxy]phenyl]ethanone | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Carbonyl compounds | Details |
| N-Deethyldelphatine | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Diterpenoids | Details |
| N-Demethylcycleanine | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Ethers | Details |
| N-Demethyloxysanguinarine | Organic compounds | Organoheterocyclic compounds | Quinolines and derivatives | Benzoquinolines | Details |
| Neoamphimedine Z | Organic compounds | Organoheterocyclic compounds | Quinolines and derivatives | Benzoquinolines | Details |
| Neosutchuenenine | Organic compounds | Organoheterocyclic compounds | Isoquinolines and derivatives | Benzylisoquinolines | Details |
| Nephilatoxin 7 | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Nigellidine | Organic compounds | Organoheterocyclic compounds | Benzopyrazoles | Indazoles | Details |
| (+)-Ningpeisine | Organic compounds | Organoheterocyclic compounds | Piperidines | Not Available | Details |
| N-Methyl-huperzine B | Organic compounds | Organoheterocyclic compounds | Phenanthrolines | Not Available | Details |
| Norcanelilline | Organic compounds | Organoheterocyclic compounds | Isoquinolines and derivatives | Benzylisoquinolines | Details |
| Noroxyhydrastinine | Organic compounds | Organoheterocyclic compounds | Isoquinolines and derivatives | Isoquinolones and derivatives | Details |
| N-Demethylribasine | Organic compounds | Organoheterocyclic compounds | Benzazepines | Not Available | Details |
| N-Oxyhuperzine Q | Organic compounds | Organoheterocyclic compounds | Azaspirodecane derivatives | Not Available | Details |
| 7'-(3,3-dimethyloxirane-2-carbonyl)-2',10a-dihydroxy-1,1,6-trimethyl-3a-(methylamino)-3,4,6,7,8,9,9a,10-octahydrospiro[cyclopenta[b]quinolizine-2,3'-indol]-8-yl 2-(dimethylamino)-3-methylbutanoate | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Obscurinine | Organic compounds | Organoheterocyclic compounds | Indoles and derivatives | Not Available | Details |
| Odulin | Organic compounds | Alkaloids and derivatives | Amaryllidaceae alkaloids | Homolycorine-type amaryllidaceae alkaloids | Details |
| (+)-Oduocine | Organic compounds | Alkaloids and derivatives | Aporphines | Not Available | Details |
| Oroidin | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Carboxylic acid derivatives | Details |
| (1r,4z,8r,9s,10z,12s,15r,17r)-8,9,17-trihydroxy-17-[(4r)-2-hydroxy-4,5-dihydro-1,3-thiazol-4-yl]-5,12-dimethyl-2,16-dioxabicyclo[13.3.1]nonadeca-4,10-dien-3-one | Organic compounds | Phenylpropanoids and polyketides | Macrolides and analogues | Not Available | Details |
| Pallidin | Organic compounds | Benzenoids | Benzene and substituted derivatives | Benzenesulfonamides | Details |
| (-)-Hippagine | Organic compounds | Alkaloids and derivatives | Not Available | Not Available | Details |
| (+)-Panganensine S | Organic compounds | Alkaloids and derivatives | Strychnos alkaloids | Not Available | Details |
| Pantherinine | Organic compounds | Organoheterocyclic compounds | Quinolines and derivatives | Benzoquinolines | Details |
| Parvistemoline | Organic compounds | Alkaloids and derivatives | Stemona alkaloids | Parvistemoline-type alkaloids | Details |
| Phorbazole C | Organic compounds | Organoheterocyclic compounds | Azoles | Oxazoles | Details |
| (+)-Phorboxazole A | Not Available | Not Available | Not Available | Not Available | Details |
