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Certified Reference Standards...
Chemical Name: 1,11-Ditosyl-1,4,8,11-tetraazacyclotetradecane
Smiles: O=S(N1CCNCCCNCCN(S(=O)(C2=CC=C(C)C=C2)=O)CCC1)(C3=CC=C(C)C=C3)=O