4β-hydroxy Cholesterol is a major oxysterol cholesterol metabolite and a precursor in the synthesis of bile acids that is found in human circulation.

Memantine, an amantadine derivative with some dopaminergic effects, has been proposed as an antiparkinson agent and has may be used to treat moderate to severe Alzheimer's disease. It acts on the glutamatergic system by blocking NMDA receptors.

Litifilimab, a humanized IgG1-κ antibody, targets the C-type lectin domain family 4 member C (CLEC4C) and has potential applications in the study of cutaneous lupus erythematosus (CLE) .