3-amino-3-({4-carbamimidamido-1-[(1-{[1-({1-[(1-{2-[(1-carboxy-2-phenylethyl)carbamoyl]pyrrolidin-1-yl}-3-(1H-imidazol-4-yl)-1-oxopropan-2-yl)carbamoyl]-2-methylpropyl}carbamoyl)-2-(4-hydroxyphenyl)ethyl]carbamoyl}-2-methylpropyl)carbamoyl]butyl}carbamoyl)propanoic acid