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system
Name the molecular formula for the molecule established as 4-[4,7-bis(carboxymethyl)-1,4,7-triazonan-1-yl]-3-oxobutanoate;4-[3-[4,7-bis(carboxymethyl)-1,4,7-triazonan-1-yl]-2-oxopropyl]benzoate;3-oxo-4-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetrazacyclododec-1-yl]butanoate;4-[2-oxo-3-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetrazacyclododec-1-yl]propyl]benzoate;4-[[1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetrazacyclododec-2-yl]methyl]benzoate using the IUPAC nomenclature.
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C100H143N18O42-5
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