{[(5S,8S,11S)-5-({[(3S,6S,9S,12S,15R,18S,21S)-9-(2-aminoethyl)-3-[(1R)-1-hydroxyethyl]-12,15-bis(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-6,18-bis{2-[(sulfomethyl)amino]ethyl}-1,4,7,10,13,16,19-heptazacyclotricosan-21-yl]amino}carbonyl)-11-{[(6S)-6-methyl-1-oxooctyl]amino}-8-[(1R)-1-hydroxyethyl]-7,10-dioxo-1-sulfo-2,6,9-triazatridec-13-yl]amino}methanesulfonic acid