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. 2013 Aug 1;8(8):e70028. doi: 10.1371/journal.pone.0070028

Figure 1. Metal complexes of the chelators 1,4,7-triazacyclononane-1,4,7-triacetic acid (NOTA), 1,4,7,10-tetraazacylododecane-1,4,7,10-tetraacetic acid (DOTA), and 1-(1,3-carboxypropyl)-1,4,7-triazacyclononane-4.7-diacetic acid (NODAGA) conjugated to N-terminal amino group via amide bonds.

Figure 1