Buspirone EP Impurity E HCl

Chemical Name: Buspirone Open Ring Impurity (USP) ; [1-[2-Oxo-2-[[4-[4-(pyrimidin-2-yl)piperazin-1-yl]butyl]amino]ethyl] cyclopentyl]acetic acid Hydrochloride ;

Smile: O=C(NCCCCN1CCN(C2=NC=CC=N2)CC1)CC3(CCCC3)CC(O)=O.Cl