IUPAC: (4S)-4-{[(1S)-1-{[(1S)-1-{[(1S)-1-{[(1S)-1-{[(1S)-1-{[(1S,2S)-1-{[(1S)-1-{[(1S,2S)-1-{[(1S)-1-[({[(1S)-1-{[(1S)-1-{[(1S,2R)-1-{[(1S)-1-{[(1S)-1-{[(1S)-5-amino-1-{[(1S)-4-carbamimidamido-1-{[(1S)-1-{[(1S)-1-carbamoyl-3-methylbutyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butyl]carbamoyl}pentyl]carbamoyl}-2-hydroxyethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}-2-hydroxyethyl]carbamoyl}-3-(methylsulfanyl)propyl]carbamoyl}methyl)carbamoyl]-2-hydroxyethyl]carbamoyl}-2-methylbutyl]carbamoyl}ethyl]carbamoyl}-2-methylbutyl]carbamoyl}-3-carbamoylpropyl]carbamoyl}ethyl]carbamoyl}-4-carbamimidamidobutyl]carbamoyl}-2-methylpropyl]carbamoyl}-3-methylbutyl]carbamoyl}-4-[(2S)-2-{2-[(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S,3S)-2-[(2S)-2-amino-3-methylbutanamido]-3-methylpentanamido]hexanamido]-4-methylpentanamido]-3-hydroxypropanamido]acetamido}-5-carbamimidamidopentanamido]butanoic acid

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