Buspirone EP Impurity J

Chemical Name: Buspirone Open Ring Spirodimer Impurity (USP) ;4-(7,9-Dioxo-8-azaspiro[4.5]dec-8-yl)butyl [1-[2-oxo-2-[[4-[4-(pyrimidin-2-yl)piperazin-1-yl]butyl]amino]ethyl]-cyclopentyl]acetate ;

Smile: O=C(OCCCCN(C(C1)=O)C(CC21CCCC2)=O)CC3(CC(NCCCCN4CCN(C5=NC=CC=N5)CC4)=O)CCCC3