IUPAC:6-amino-2-{2-[2-(2-{2-[2-({7-[6-amino-2-(2-{2-[(21-{6-amino-2-[(10-{15-[2-(2-amino-3-methylpentanamido)but-2-enamido]-12-(butan-2-yl)-9-methylidene-6-(2-methylpropyl)-5,8,11,14-tetraoxo-1-thia-4,7,10,13-tetraazacyclohexadecane-3-amido}-9-methyl-1,4,11-trioxo-tetradecahydropyrrolo[2,1-i]1-thia-4,7,10-triazacyclotridecan-6-yl)formamido]hexanamido}-15,22-dimethyl-12-(2-methylpropyl)-9-[2-(methylsulfanyl)ethyl]-5,8,11,14,17,20-hexaoxo-1-thia-4,7,10,13,16,19-hexaazacyclodocosan-3-yl)formamido]-3-carbamoylpropanamido}-4-(methylsulfanyl)butanamido)hexanamido]-14-(carbamoylmethyl)-4,8,20-trimethyl-3,6,12,15,21-pentaoxo-9,19-dithia-2,5,13,16,22-pentaazabicyclo[9.9.2]docosan-17-yl}formamido)-3-hydroxypropanamido]-3-methylpentanamido}-3-(1H-imidazol-5-yl)propanamido)-3-methylbutanamido]prop-2-enamido}hexanoic acid