Bendamustine Impurity

Chemical Name: 4-(5-((2-((4-(5-((2-chloroethyl)(2-hydroxyethyl)amino)-1-methyl-1H-benzo[d]imidazol-2-yl)butanoyl)oxy)ethyl)(2-hydroxyethyl)amino)-1-methyl-1H-benzo[d]imidazol-2-yl)butanoic acid

Smile: OCCN(CCCl)C1=CC=C(N(C)C(CCCC(OCCN(C2=CC=C(N(C)C(CCCC(O)=O)=N3)C3=C2)CCO)=O)=N4)C4=C1