Ajugasteron B is a bioactive compound. References: Xu H, Shi X, Ji X, Du Y, Zhu H, Zhang L. Qualitative and quantitative determination of nine main active constituents in Pulsatilla cernua by high-performance liquid chromatography coupled to electrospray ionization tandem mass spectrometry. J Sep Sci. 2011 Feb;34(3):308-16. doi: 10.1002/jssc.201000660. Epub 2011 Jan 3. PubMed PMID: 21268254.

纯度：≥98%

CAS：21490-21-1