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Certified Reference Standards...
Chemical Name: 1,4-Bis[(4-Chlorophenyl)phenylmethyl]piperazine
Synonym: Cetirizine Dimer Impurity (USP)
Smiles: ClC1=CC=C(C(N2CCN(C(C3=CC=C(Cl)C=C3)C4=CC=CC=C4)CC2)C5=CC=CC=C5)C=C1
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