Tetramethyluric acid (1,3,7,9-Tetramethyluric acid; Theacrine), also known as tetramethyluric acid or theophylline, is a purine alkaloid with a structure similar to caffeine.

12(S)-HETE 是花生四烯酸的12-脂氧合酶代谢产物，对癌细胞增殖具有促有丝分裂作用。12(S)-HETE 诱导细胞蛋白酪氨酸磷酸化，促进 ERK 和 P38 MAPK 磷酸化，增加 DNA 合成，并刺激胰腺癌细胞的增殖。

Neuropeptide W-30 (human) is an important stress mediator in the central nervous system that modulates the hypothalamus-pituitary-adrenal (HPA) axis and sympathetic outflow. Neuropeptide W-30 (human) is an endogenous ligand for the two structurally related orphan G-protein-coupled receptors (GPCRs) GPR7 and GPR8.