Norchlorcyclizine is a partially selective NPR-B inhibitor. It also is an inhibitor of human tyrosyl-DNA phosphodiesterase 1.

Histrelin acetate is a nonapeptide analog of gonadotropin-releasing hormone (GnRH) with added potency. It acts on particular cells of the pituitary gland called gonadotropes when present in the bloodstream. Histrelin stimulates these cells to release luteinizing hormone and follicle-stimulating hormone. Thus it is considered a gonadotropin-releasing hormone agonist or GnRH agonist.

This LL-37 peptide is acetylated on the N-terminus and amidated on the C-terminus.It plays a key role in the first line of defense against local infection and systemic invasion of pathogens at sites of inflammation and wounds.