ZM39923 is a Janus kinase inhibitor with IC50 of 10 nM. References: Vidro-Kotchan E, Yendluri BB, Le-Thai T, Tsin A. NBHA reduces acrolein-induced changes in ARPE-19 cells: possible involvement of TGFβ. Curr Eye Res. 2011 Apr;36(4):370-8. doi: 10.3109/02713683.2010.549601. Epub 2011 Feb 10. PubMed PMID: 21309688; PubMed Central PMCID: PMC4487514.

纯度：≥98%

CAS：273727-89-2