1 INX 2-(carboxymethoxy)-5-[(2s)-2-({(2s)-2-[(3-carboxypropanoyl)amino] -3-phenylpropanoyl}amino)-3-oxo-3-(pentylamino)propyl]benzoic acid 1.000 2 TBH 5-(2-{2-[(tert-butoxy-hydroxy-methyl)-amino]-1-hydroxy-3-phenyl-propylamino}-3-hydroxy-3-pentylamino-propyl)-2-carboxymethoxy-benzoic acid 0.792