- Kotararnine and hydroquotarinine, which is derived from narcotic.
- Papaverin, a secondary alkaloids in opium, in the form of crystals; has an anesthetic effect and sedative, but less effective than morphine.
- Ethafirin Hydrochloride (INNM).
(1- (3, 4 Dai Ythoxi benzyl) - 6, 7-Dai-ethoxy-isocoquin hydrochloride).
- Papaverin, a secondary alkaloids in opium, in the form of crystals; has an anesthetic effect and sedative, but less effective than morphine.
- Ethafirin Hydrochloride (INNM).
(1- (3, 4 Dai Ythoxi benzyl) - 6, 7-Dai-ethoxy-isocoquin hydrochloride).