Sofpironium bromide belongs to a class of drugs called anticholinergics, which exert their effect by blocking the action of acetylcholine.

Sarecycline free base is a tetracycline-derived, narrow-spectrum antibiotic.

C3 Peptide P16, is a 16 amino acid synthetic peptide derived from human C3d, a fragment generated in trypsin-cleaved C3. C3 Peptide P16 enhances in vitro phosphorylation of pp105 and pp100, a cellular component presenting in the human B lymphoma cells.