L 659837 is an ANC-2 is a lactam; tackykinin antagonist. References: Palea S, Corsi M, Artibani W, Ostardo E, Pietra C. Pharmacological characterization of tachykinin NK2 receptors on isolated human urinary bladder, prostatic urethra and prostate. J Pharmacol Exp Ther. 1996 May;277(2):700-5. PubMed PMID: 8627548.

纯度：≥98%

CAS：125989-10-8