IUPAC:(2S)-N-[(1S)-1-{[(6'S,11'S,14'S,19'aS)-6'-[(3R)-3-{[(1S)-4-amino-1-{[(1S)-4-carbamimidamido-1-{[(1S)-4-carbamimidamido-1-{[(1S)-4-carbamimidamido-1-carbamoylbutyl]carbamoyl}butyl]carbamoyl}butyl]carbamoyl}butyl]carbamoyl}pyrrolidine-1-carbonyl]-14'-[(3-fluorophenyl)methyl]-1',4',12',15'-tetraoxo-octadecahydrospiro[cyclobutane-1,3'-pyrrolo[1,2-d]1,4,7,10-tetraazacycloheptadecan]-11'-yl]carbamoyl}-2-(1H-indol-3-yl)ethyl]-5-carbamimidamido-2-[(2S)-2-acetamidopropanamido]pentanamide
IUPAC:(2S)-N-[(1S)-1-{[(6'S,11'S,14'S,19'aS)-6'-[(3R)-3-{[(1S)-4-amino-1-{[(1S)-4-carbamimidamido-1-{[(1S)-4-carbamimidamido-1-{[(1S)-4-carbamimidamido-1-carbamoylbutyl]carbamoyl}butyl]carbamoyl}butyl]carbamoyl}butyl]carbamoyl}pyrrolidine-1-carbonyl]-14'-[(3-fluorophenyl)methyl]-1',4',12',15'-tetraoxo-octadecahydrospiro[cyclobutane-1,3'-pyrrolo[1,2-d]1,4,7,10-tetraazacycloheptadecan]-11'-yl]carbamoyl}-2-(1H-indol-3-yl)ethyl]-5-carbamimidamido-2-[(2S)-2-acetamidopropanamido]pentanamide