Explanatory notes
… opium and their derivatives; salts thereof : 2939 .11 - - Concentrates of poppy straw; buprenorphine (INN), codeine, … (INN), ethylmorphine, etorphine (INN), heroin, hydrocodone (INN), hydromorphone (INN), morphine, nicomorphine … alkaloid in opium; crystals; less potent than morphine and only slightly toxic. (9) Cotarnine and hydrocotarnine , …