1 9YK 2-[2-[[2,3-bis(oxidanyl)phenyl]methyl-(2-hydroxy-2-oxoethyl)amino]ethyl-[(2-methylsulfanylphenyl)methyl]amino]ethanoic acid 1.000 2 9YH 2-[2-[2-hydroxy-2-oxoethyl-[(3-methoxy-2-oxidanyl-phenyl)methyl]amino]ethyl-[(2-methylsulfanylphenyl)methyl]amino]ethanoic acid 0.906 3 BHR 2-[2-[carboxymethyl-[(2-hydroxyphenyl)methyl]amino]ethyl-[(2,3-dihydroxyphenyl)methyl]amino]ethanoic acid 0.903 4 BHZ 2-[2-[carboxymethyl(phenylmethyl)amino]ethyl-[(2-hydroxyphenyl)methyl]amino]ethanoic acid 0.900 5 BHN 2-[2-[carboxymethyl-[(2-hydroxyphenyl)methyl]amino]ethyl-[(2-hydroxyphenyl)methyl]amino]ethanoic acid 0.871