Buspirone EP Impurity J (Oxalate)

Chemical Name: 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 Oxalate

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