“…Key protein targets and ligands in this article are hyperlinked to corresponding entries in http://www.guidetopharmacology.org, and are permanently archived in the Concise Guide to PHARMACOLOGY 2021/22 (Alexander, Christopoulos, et al, 2021; Alexander, Cidlowski, et al, 2021; Alexander, Fabbro, et al, 2021a, 2021b; Alexander, Kelly, et al, 2021; Alexander, Mathie, et al, 2021).…”