Sub-group (a), which consisted of: Morphine and its salts, including its ester salts like morphine diacetate (heroin) and preparations made directly from raw or medicinal opium and containing more than 20 percent of morphine; Cocaine and its salts, including preparations made direct from the coca leaf and containing more than 0.1 percent of cocaine, all the esters of ecgonine and their salts; Dihydrohydrooxycodeinone (of which the substance registered under the name of eucodal is a salt), dihydrocodeinone (of which the substance registered under the name of dicodide is a salt), dihydromorphinone (of which the substance registered under the name of dilaudide is a salt), acetyldihydrocodeinone or acetyldemethylodihydrothebaine (of which the substance registered under the name of acedicone is a salt); dihydromorphine (of which the substance registered under the name of paramorfan is a salt), their esters and the salts of any of these substances and of their esters, morphine-N-oxide (registered trade name genomorphine), also the morphine-N-oxide derivatives, and the other pentavalent nitrogen morphine derivatives. Sub-group (b), which consisted of: Ecgonine, thebaine and their salts, benzylmorphine and the other ethers of morphine and their salts, except methylmorphine (codeine), ethylmorphine and their salts.