| Chemistry name: | l-laudanine; tritopine |
| M Formula: | C20H25O4N |
| Properties: | |
| White crystals. Mp 182–185C. Insoluble in water; soluble in alcohol, benzene, chloroform, and slightly soluble in ether. | |
| Derivation: | |
| From opium. | |
| Hazard: | |
| Toxic by ingestion. | |
| Use: | |
| Medicine (analgesic). | |