【評論主題】70.下列何者具有diphenylpropylamine結構？(A)methadone(B)remifentanil(C)meperidine(D)nalmefene
【評論內容】(B)remifentanil ：anilidopiperidine (C)meperidine：4-phenylpiperidine (D)nalmefene：含cyclopropylmethyl,naltrexone的等價異構物