3-amino-3-({4-carbamimidamido-1-[(1-{[2-(4-hydroxyphenyl)-1-[(1-{[2-(1H-imidazol-5-yl)-1-{[3-(1H-imidazol-5-yl)-1-oxo-1-{2-[(3-oxo-1-phenylbutan-2-yl)carbamoyl]pyrrolidin-1-yl}propan-2-yl]carbamoyl}ethyl]carbamoyl}-2-methylpropyl)carbamoyl]ethyl]carbamoyl}-2-methylpropyl)carbamoyl]butyl}carbamoyl)propanoic acid