8-Azaguanine is a purine analogs showing antineoplastic activity by competing with guanine in the metabolism.

The pentaketide 1,3,6,8-tetrahydroxynaphthalene (T4HN) is a key precursor of 1,8-dihydroxynaphthalene-melanin.

Amylin (8-37), human is a fragment of human Amylin. Amylin (8-37), human has direct vasodilator effects in the isolated mesenteric resistance artery of the rat. Human Amylin is a small hormone secreted by pancreatic β-cells that forms aggregates under insulin deficiency metabolic conditions, and it constitutes a pathological hallmark of type II diabetes mellitus.