Clonidine Related Compound B

Chemical Name:  Clonidine USP RC B ; Clonidine Dimer Impurity ; 2-[(E)-2,6-Dichlorophenylimino]-1-(1-{2-[(E)-2,6-dichlorophenylimino]-imidazolidin-1-yl}-ethyl)-imidazolidine ;