Nandrolone (19-nortestosterone) is an anabolic steroid that may be present naturally in the human body, albeit in minute quantities of less than 0.4 ng/ml.

β-Obscurine is a lycopodine-type alkaloid, which can be isolated from the club moss Lycopodium casuarinoides.

Rozanolixizumab (RYSTIGGO) is a high-affinity humanized immunoglobulin G4 monoclonal antibody targeting Fc receptors (FcRn) in human newborns for the study of pathogenic IgG in autoimmune and alloimmune diseases.