Polish heroin
Polish heroin contains diacetylmorphine ( heroin ) , 6-monoacetylmorphine ( active metabolite of heroin ) , 3-monoacetylmorphine ( less-active metabolite of heroin ) , morphine and small amounts of codeine . 
<triplet> Polish heroin <subj> diacetylmorphine <obj> has part <subj> codeine <obj> has part