1 ABB (2s,4r)-1-acetyl-N-[(1s)-4-[(aminoiminomethyl)amino]-1-(2-benzothiazolylcarbonyl)butyl]-4-hydroxy-2-pyrrolidinecarboxamide 1.000 2 RWJ Cyclopentanecarboxylic acid [1-(benzothiazole-2-carbonyl)-4-guanidino-butyl]-amide 0.812 3 00Q D-phenylalanyl-N-{(1s)-1-[(S)-1,3-benzothiazol-2-yl(hydroxy)methyl]-4-carbamimidamidobutyl}-L-prolinamide 0.769