WS 009B is an endothelin receptor antagonist; from Streptomyces sp. No. 89009. References: Miyata S, Hashimoto M, Fujie K, Shouho M, Sogabe K, Kiyoto S, Okuhara M, Kohsaka M. WS009 A and B, new endothelin receptor antagonists isolated from Streptomyces sp. no. 89009. II. Biological characterization and pharmacological characterization of WS009 A and B. J Antibiot (Tokyo). 1992 Jul;45(7):1041-6. PubMed PMID: 1325434.

纯度：≥98%

CAS：136286-50-5