| Axinellamine B | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Monoterpenoids | Details |
| BE-39907B | Organic compounds | Organoheterocyclic compounds | Benzoxazines | Phenoxazines | Details |
| Beauvericin | Organic compounds | Organic acids and derivatives | Peptidomimetics | Depsipeptides | Details |
| Bengamide B | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Bengamide I | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| beta-Lumicolchicine | Organic compounds | Alkaloids and derivatives | Lumicolchicine alkaloids | Not Available | Details |
| beta-Obscurine | Organic compounds | Organoheterocyclic compounds | Phenanthrolines | Not Available | Details |
| beta-Yohimbine | Organic compounds | Alkaloids and derivatives | Yohimbine alkaloids | Not Available | Details |
| Bgugaine | Organic compounds | Organoheterocyclic compounds | Pyrrolidines | N-alkylpyrrolidines | Details |
| (-)-Bongardine | Organic compounds | Organoheterocyclic compounds | Pyridines and derivatives | Methylpyridines | Details |
| Broussonetine C | Organic compounds | Organoheterocyclic compounds | Pyrrolidines | Not Available | Details |
| Broussonetine G | Organic compounds | Organic oxygen compounds | Organooxygen compounds | Ethers | Details |
| Broussonetine I | Organic compounds | Organoheterocyclic compounds | Piperidines | N-acylpiperidines | Details |
| Broussonetine J | Organic compounds | Organoheterocyclic compounds | Piperidines | N-acylpiperidines | Details |
| Brunsbelline | Organic compounds | Alkaloids and derivatives | Amaryllidaceae alkaloids | Crinine- and Haemanthamine-type amaryllidaceae alkaloids | Details |
| (+)-Budmunchiamine L5 | Organic compounds | Organic acids and derivatives | Carboximidic acids and derivatives | Carboximidic acids | Details |
| (+)-Budmunchiamine L6 | Organic compounds | Phenylpropanoids and polyketides | Macrolactams | Not Available | Details |
| Buxasamarine | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Triterpenoids | Details |
| (-)-Caerunine | Organic compounds | Organoheterocyclic compounds | Azepines | Not Available | Details |
| (+)-Canescensterone | Organic compounds | Lipids and lipid-like molecules | Steroids and steroid derivatives | Bile acids, alcohols and derivatives | Details |
| Aristololactam II N-beta-D-glucopyranoside | Organic compounds | Alkaloids and derivatives | Aristolactams | Not Available | Details |
| Chartelline B | Organic compounds | Organoheterocyclic compounds | Indoles and derivatives | Indoles | Details |
| Chilocorine B | Organic compounds | Alkaloids and derivatives | 9b-azaphenalenes | Not Available | Details |
| Chisitine 1 | Organic compounds | Phenylpropanoids and polyketides | Cinnamic acids and derivatives | Not Available | Details |
| Circinamide | Organic compounds | Organic acids and derivatives | Carboxylic acids and derivatives | Amino acids, peptides, and analogues | Details |
| Clausamide I | Organic compounds | Benzenoids | Benzene and substituted derivatives | Styrenes | Details |
| Clausamide II | Organic compounds | Benzenoids | Benzene and substituted derivatives | Not Available | Details |
| Clavosine C | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Terpene glycosides | Details |
| Colchiethanamine | Organic compounds | Alkaloids and derivatives | Phenethylisoquinoline alkaloids | Not Available | Details |
| Columbidine | Organic compounds | Lipids and lipid-like molecules | Prenol lipids | Diterpenoids | Details |
