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Melatonin - Wikipedia
Melatonin | C13H16N2O2 | CID 896 - PubChem
Melatonin and Phytomelatonin: Chemistry, Biosynthesis, …
Melatonin | Description, Hormone, & Effects | Britannica
Physiology of the Pineal Gland and Melatonin
Melatonin: Pharmacology, Functions and Therapeutic Benefits
Melatonin: Current Biology - Cell Press
Melatonin | C13H16N2O2 - ChemSpider
Melatonin - NIST Chemistry WebBook
Melatonin’s role in the timing of sleep onset is conserved