Alkaloids of opium and their derivatives; salts thereof:Concentrates of poppy straw; buprenorphine (INN), codeine, dihydrococodeine (INN), ethylmorphine, etorphine (INN), heroin, hydrocodone (INN), hydromorphone (INN), morphine, nicomorphine (INN), oxycodone (INN), oxymorphone (INN), pholcodine (INN), thebacon(INN) and thebaine; salts thereof.
HS codes falls under this category.