IUPAC: (2S)-2-[(2S)-2-amino-3-phenylpropanamido]-N-[(1S)-1-{[(1S)-1-{[(1R,6R,9S,12S,15S,18S,21S,24S,27S,30R,33S,36S,42S,45S,50R)-12,15-bis(4-aminobutyl)-9-benzyl-42-[(2S)-butan-2-yl]-24,27-bis(3-carbamimidamidopropyl)-6-carbamoyl-21-(carbamoylmethyl)-18-[(1H-imidazol-5-yl)methyl]-33-methyl-45-(2-methylpropyl)-8,11,14,17,20,23,26,29,32,35,41,44,47,49-tetradecaoxo-3,4,52,53-tetrathia-7,10,13,16,19,22,25,28,31,34,40,43,46,48-tetradecaazatricyclo[28.17.7.0^{36,40}]tetrapentacontan-50-yl]carbamoyl}-4-carbamimidamidobutyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]butanediamide

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