Alkaloids of opium and their derivatives, and salts thereof (excl. concentrates of poppy straw; buprenorphine "inn", codeine, dihydrocodeine "inn", ethylmorphine, etorphine "inn", heroin, hydrocodone "inn", hydromorphone "inn", morphine, nicomorphine "inn", oxycodone "inn", oxymorphone "inn", pholcodine "inn", thebacon "inn" and thebaine, and salts thereof)