Cytidine-5'-triphosphate (Cytidine triphosphate) is a compound widely found in living organisms that serves as an energy substance, as a building block for nucleotide and nucleic acid and lipid biosynthesis, and activates protein kinase reactions.

ZX-J-19J, an inhibitor of Cyclophilin J (CyPJ), demonstrates remarkable inhibition of tumor cell growth, comparable to cyclosporine A but much stronger than 5-fluorouracil.

Potent and selective tachykinin NK2 receptor agonist (EC50 = 3.7 nM in rat colon). Displays > 1000- and > 300-fold selectivity over NK1 and NK3 receptors respectively. Active in vivo.