IUPAC: (4S)-4-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-amino-5-carbamimidamidopentanamido]-5-carbamimidamidopentanamido]hexanamido]-3-carboxypropanamido]-4-methylpentanamido]-3-(1H-imidazol-5-yl)propanamido]-3-carboxypropanamido]-3-carboxypropanamido]-4-carboxybutanamido]-4-carboxybutanamido]-3-carboxypropanamido]-4-{[(1S)-1-{[(1S)-1-{[(1S)-1-{[(1S,2S)-1-{[(1S,2R)-1-{[(1S)-1-carboxyethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}-2-methylbutyl]carbamoyl}-2-hydroxyethyl]carbamoyl}-3-(methylsulfanyl)propyl]carbamoyl}ethyl]carbamoyl}butanoic acid

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