TY - GEN AU - Botros,S AU - Lipkowski,A W AU - Takemori,A E AU - Portoghese,P S TI - Investigation of the structural requirements for the kappa-selective opioid receptor antagonist, 6 beta,6 beta'-[ethylenebis(oxyethyleneimino)]bis[17-(cyclopropylmethyl)- 4,5 alpha-epoxymorphinan-3,14-diol] (TENA) SN - 0022-2623 PY - 1986///0620 KW - Animals KW - Electric Stimulation KW - Guinea Pigs KW - Ileum KW - drug effects KW - Morphine KW - pharmacology KW - Naltrexone KW - analogs & derivatives KW - Receptors, Opioid KW - metabolism KW - Structure-Activity Relationship N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1021/jm00155a048 ER -