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. Author manuscript; available in PMC: 2020 Feb 9.
Published in final edited form as: J Med Chem. 2019 Apr 9;62(8):4193–4203. doi: 10.1021/acs.jmedchem.9b00378

Table 5.

SAR Trends Illustrated by 2D Matrices: Efficacy at MOR and DOR

graphic file with name nihms-1067893-t0010.jpg

(A) SAR matrix highlights trends in MOR efficacy. Darker shades of blue correspond to lower efficacy (least desirable) whereas those with white background are most efficacious. (B) DOR efficacy matrix displays ligands with the highest efficacy (least desirable) in blue whereas antagonists or low-efficacy agonists are shown in white. dns = does not stimulate.