2,2'-((2-((carboxymethyl)(2-((carboxymethyl)(2-oxo-2-((2-oxo-3-phenyl-1,2-dihydroquinolin-7-yl)amino)ethyl)amino)ethyl)amino)ethyl)azanediyl)diacetic acid

7-amino-N-butyl-2-oxo-1,2-dihydroquinoline-4-carboxamide

2,2'-((2-((2-((2-((4-(butylcarbamoyl)-2-oxo-1,2-dihydroquinolin-7-yl)amino)-2-oxoethyl)(carboxymethyl)amino)ethyl)(carboxymethyl)amino)ethyl)azanediyl)diacetic acid

2,2'-((2-((2-((2-((4-carboxy-2-oxo-1,2-dihydroquinolin-7-yl)amino)-2-oxoethyl)(carboxymethyl)amino)ethyl)(carboxymethyl)amino)ethyl)azanediyl)diacetic acid

2,2',2''-(10-(2-((4-dodecyl-2-oxo-1,2-dihydroquinolin-7-yl)amino)-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetic acid