Skip to main content
. Author manuscript; available in PMC: 2016 Jun 3.
Published in final edited form as: Brain Res. 2015 Mar 20;1609:1–11. doi: 10.1016/j.brainres.2015.03.022

Figure 1.

Figure 1

Structures of biphalin and selective OR agonists. A. Non-selective OR agonist biphalin; B. DOR selective agonist DPDPE (Tyr-D-Pen-Gly-Phe-D-Pen); C. MOR selective agonist DAMGO (Tyr-D-Ala-Gly-NMe-Phe4, Gly-ol5-enkephalin); D. KOR selective agonist U 50488.