Figure 5.

MOR binding curves for N-piperidinyl etonitazene, fentanyl, and morphine in rat brain tissue. Data are plotted as mean ± standard deviation (SD) for %[3H]DAMGO bound.

MOR binding curves for N-piperidinyl etonitazene, fentanyl, and morphine in rat brain tissue. Data are plotted as mean ± standard deviation (SD) for %[3H]DAMGO bound.