context: They are semi-natural opiates that are either a primary drug for morphine or very similar to morphine as they are not semi-manufactured, but they are found more naturally in nature since they are morphine salts . Examples of this type of medicine include diacetylmorphine (a morphine primary drug, known as morphine diacetate or heroin), and a methyl monoxide metabolite-morphine-6 ​​(6-MAM) (a precursor to morphine), nicomorphine (dicotenyl morphine), and diatylin Morphine propanol (morphine dipropionate), desomorphine (dihydroxyzoxine morphine), methyl desorphine, acetylpropenyl morphine, morphine benzoyl, diacetyl dihydro morphine, and many other types. [7]
question: What are morphine esters?
answers.text: semi-natural opiates that are either a primary drug for morphine or very similar to morphine as they are not semi-manufactured, but they are found more naturally in nature since they are morphine salts