Endogenous agonist peptide for the ghrelin receptor (GHS-R1a). Produced mainly by the stomach, it stimulates release of growth hormone from the pituitary gland in vitro and in vivo, and regulates feeding, growth and energy production.

Methiothepin 是一种 5-HT1、5-HT6、5-HT7 血清素受体拮抗剂，可阻断血清素自身受体。

DL-Alanine is an amino acid that is a racemic compound of L- and D-alanine.DL-Alanine is often used as a reducing and capping agent in conjunction with aqueous silver nitrate for nanoparticle generation.DL-Alanine is a sweetening agent, and can be grouped with glycine and sodium saccharin.