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2,2′-((((carboxymethyl)azanediyl)bis(ethane-2,1-diyl))bis((2-oxo-2-((3,3′,4′-triamino-[1,1′-biphenyl]-4-yl)amino)ethyl)azanediyl))diacetic acid
Chemical Formula: C38H47N11O8
Molecular Weight: 785.8630
m/z: 785.3609 (100.0%), 786.3643 (41.1%), 787.3676 (8.2%), 786.3579 (4.1%), 787.3613 (1.7%), 787.3652 (1.6%), 788.3710 (1.1%)
Elemental Analysis: C, 58.08; H, 6.03; N, 19.61; O, 16.29