.alpha.-Narcotine 1(3H)-Isobenzofuranone, 6,7-dimethoxy-3-(5,6,7,8-tetrahydro-4-methoxy-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl)-, [S-(R*,S*)]- 1-.alpha.-Narcotine 128-62-1 Capval Coscopin Coscotabs Hederix (free base) Key-Tusscapine L-.alpha.-Narcotine Longatin Lyobex Methoxyhydrastine NARCOTINE NSC 5366 NSC5366 Narcompren Narcosine Narcotin Narcotussin Narkotin Nectadon Nicolane Nipaxon Noscapal Noscapalin Noscapin Noscapine O-Methylnarcotoline Opian Opianin Opianine Phthalide, 6,7-dimethoxy-3-(5,6,7,8-tetrahydro-4-methoxy-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl)- Terbenol Tusscapine Vadebex WLN: T C566 DO FO KN EH & & TJ HO1 K1 J-DT56 BVO DHJ HO1 IO1