Diacetylnalorphine (BAN), also known as O3,O6-diacetyl-N-allyl-normorphine, is an opioid drug described as an analgesic and antidote which was never marketed.[1] It is the 3,6-diacetyl ester of nalorphine, and therefore the heroin analogue of nalorphine. Diacetylnalorphine may behave as a prodrug to nalorphine, similarly to the cases of heroin (diacetylmorphine) to morphine and diacetyldihydromorphine to dihydromorphine.
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