R 101933 is a P-glycoprotein (P-gp) inhibitor. References: Joshi P, Vishwakarma RA, Bharate SB. Natural alkaloids as P-gp inhibitors for multidrug resistance reversal in cancer. Eur J Med Chem. 2017 Sep 29;138:273-292. doi: 10.1016/j.ejmech.2017.06.047. Epub 2017 Jun 27. Review. PubMed PMID: 28675836.

纯度：≥98%

CAS：278798-78-0