EK 209 is an enkephalin analogue. References: Nishida N, Hasegawa Y, Chiba S, Wakimasu M, Fujino M. Reinforcing effects of the enkephalin analogs, EK-209 and EK-399, in rats. Eur J Pharmacol. 1989 Aug 3;166(3):453-8. PubMed PMID: 2806371.

纯度：≥98%

CAS：72732-46-8