(R)-Irsenontrine from MedChemExpress

(R)-Irsenontrine ((R)-E2027), the R-enantiomer of Irsenontrine (HY-132821), is a potent phosphodiesterase 9 (PDE9) inhibitor with an IC50 value of 0.041 µM. (R)-Irsenontrine can be used for the research of neurological diseases[1]