Jiangsu Hengrui Medicine Co. Ltd. and Shanghai Hengrui Pharmaceutical Co. Ltd. have patented proteolysis targeting chimera (PROTAC) compounds comprising E3 ubiquitin ligase-binding moiety covalently bonded to estrogen receptor-α (ERα)-targeting moiety through a linker reported to be useful for the treatment of breast cancer and infections.

Nerviano Medical Sciences Srl has synthesized substituted pyrrole carboxamides acting as cell division cycle 7-related protein kinase (CDC7) inhibitors reported to be useful for the treatment of cancer.

Arbutus Biopharma Corp. has described programmed cell death 1 ligand 1 (PD-L1) antagonists reported to be useful for the treatment of cancer, hepatitis B and hepatitis D viral infection.

Pfizer Inc. has divulged 3C-like proteinase (3CLpro) (SARS-CoV-2) inhibitors reported to be useful for the treatment of SARS-CoV-2 infection (COVID-19).

Genfleet Therapeutics Inc. has divulged amine-substituted pyridine fused-ring compounds acting as mitogen-activated protein kinase kinase kinase kinase 1 (MAP4K1) inhibitors reported to be useful for the treatment of cancer.

Vanderbilt University has patented metabotropic glutamate receptor subtype 2 (mGluR2) negative allosteric modulators reported to be useful for the treatment of depression, anxiety, Alzheimer's disease, obsessive-compulsive and autism spectrum disorders.

Parenchyma Biotech Inc. has described aryl hydrocarbon receptor (AhR) agonists reported to be useful for the treatment of cancer and autoimmune disease.

Kansai Medical University has identified compounds reported to be useful for the treatment of cancer.

Mablink Bioscience SAS., Université Claude Bernard Lyon 1 and Centre National de la Recherche Scientifique have patented antibody-drug conjugates consisting of antibodies covalently linked to therapeutic drugs through an enzyme-triggered self-immolative linker reported to be useful for the treatment of cancer.

Orexia Therapeutics Ltd. has divulged 2-(3-ethynylbenzyl)-substituted heterocycle derivatives acting as orexin OX2 receptor agonists reported to be useful for the treatment of narcolepsy, hypersomnia, insomnia and sleep apnea.