Glycerylphosphorylcholine is a natural choline compound found in the brain and in milk. It is also a parasympathomimetic acetylcholine precursor which may have a potential for the treatment of Alzheimer's disease and dementia.

Emoxipine is an antidepressant agent.The influence of emoxipine (2-ethyl-6-methyl-3-hydroxypyridine hydrochloride) and mexidol (2-ethyl-6-methyl-3-hydroxypyridine succinate) on the content of lipid peroxidation products in peripheral blood and the dynamics of clinical symptoms of gastrointestinal tract pathology has been studied in patients of middle and senile age with atherosclerosis in the abdominal aorta.

(+)-Intermedine, a pyrrolizidine alkaloid (PA), shows remarkable cytotoxic activity against neural progenitor cells (NPCs).