Bendamustine Impurity 4 (Mixture of Isomers)

Chemical Name: ((2R,3S,4S,5S)-3,4-dihydroxy-5-(hydroxymethyl)-5-(((3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydrofuran-2-yl)methyl 4-(5-(bis(2-chloroethyl)amino)-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate

Smile: CN1C(CCCC(OC[C@H]2O[C@](OC3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)(CO)[C@@H](O)[C@@H]2O)=O)=NC4=C1C=CC(N(CCCl)CCCl)=C4