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Pharmceutical intermediates > Bendamustine |
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1-Methyl-5-amino-1H-benzimidazole-2-butanoic acid ethyl ester |
3543-73-5 |
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5-[Bis(2-hydroxyethyl)amino]-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester |
3543-74-6 |
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