| Member | Definition | Role |
|---|
| alpha-solanine | A glycoalkaloid poison found in species of the nightshade family (Solanaceae), such as the potato (Solanum tuberosum). It is a trisccharide derivative of solanidine [(22beta)-solanid-5-en-3beta-ol]. | solanine |
| bielschowskysin | A diterpenoid that is isolated from Pseudopterogorgia kallos and exhibits antimalarial and anticancer activity. | bielschowskysin |
| corynoline | A benzophenanthridine alkaloid that is chelidonine substituted by a methyl group at position 13. Isolated from the aerial parts of Corydalis incisa, it acts as an acetylcholinesterase inhibitor and also exhibits antineoplastic and hepatoprotective activity. | corynoline |
| fumitremorgin a | An organic heterohexacyclic compound that is a mycotoxic indole alkaloid obtained by prenylation of the 10-hydroxy group of verruculogen. | fumitremorgin A |
| go 6976 | | Goe 6976 |
| lactonamycin | An organic heterohexacyclic compound isolated from the culture broth of Streptomyces rishiriensis. It is an antibiotic with antibacterial activity. | lactonamycin |
| limonin | | limonin |
| paxilline | An indole diterpene alkaloid with formula C27H33NO4 isolated from Penicillium paxilli. It is a potent inhibitor of large conductance Ca2(+)- and voltage-activated K(+) (BK)-type channels. | paxilline |
| quinine | An Aspidosperma alkaloid with molecular formula C21H24N2O3 found in the roots of Madagascar periwinkle (Catharanthus roseus, formerly known as Vinca rosea). | lochnericine |
| rebeccamycin | An N-glycosyl compound consisting of a heteropolycyclic ring system with a glucosyl group attached to one of the indolic nitrogens. | rebeccamycin |
| rifaximin | A semisynthetic member of the class of rifamycins and non-systemic gastrointestinal site-specific broad spectrum antibiotic. Used in the treatment of traveller's diarrhoea, hepatic encephalopathy and irritable bowel syndrome. | rifaximin |
| verruculogen | An organic heterohexacyclic compound that is a mycotoxic indole alkaloid isolated from Penicillium and Aspergillus species. | verruculogen |