title: Interaction of morphine- and codeine-epoxides with opiate receptor.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D003061:Codeine / Q000031:analogs & derivatives* / Q000378:metabolism; D004090:Dihydromorphine / Q000378:metabolism; D009022:Morphine Derivatives / Q000378:metabolism*; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism*
chemical_list: D009022:Morphine Derivatives; D011957:Receptors, Opioid; C034035:codeine-7,8-oxide; C029571:morphine-7,8-oxide; D004090:Dihydromorphine; D003061:Codeine