| Compound | Description |
|---|
| lupeol | RN given refers to (3beta)-isomer; structure |
| 2,3-oxidosqualene | an oxidized derivative of SQUALENE that can fold in several ways: chair-boat-chair-boat to LANOSTEROL; chair-chair-chair-boat to dammarane; or all chair to hopane and on to cycloartenol; RN given refers to (all-Z)-isomer |
| alpha-amyrin | beta-amyrin is also available; a 5 ring triterpene derived from taraxasterol that differs from beta-amyrin in having the 29-carbon at the 19 position |
| cycloartenol | found in chlorophyll-containing plants; minor descriptor (76-83); on-line & Index Medicus search PHYTOSTEROLS (76-83); RN given refers to (3beta)-isomer |