(4R)-4-[[(2S)-2-[[(4R)-2-[(1S,2S)-1-amino-2-methylbutyl]-4,5-dihydro-1,3-thiazole-4-carbonyl]amino]-4-methylpentanoyl]amino]-5-[[(2S,3S)-1-[[(3S,6R,9S,12R,15S,18R,21S)-3-(2-amino-2-oxoethyl)-18-(3-aminopropyl)-12-benzyl-15-[(2S)-butan-2-yl]-6-(carboxymethyl)-9-(1H-imidazol-5-ylmethyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclopentacos-21-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-5-oxopentanoic acid ; 4-[[2-[[2-(1-Amino-2-methylbutyl)-4,5-dihydro-1,3-thiazole-4-carbonyl]amino]-4-methylpentanoyl]amino]-5-[[1-[4-[20-(2-amino-2-oxoethyl)-5-(3-aminopropyl)-11-benzyl-8-butan-2-yl-17-(carboxymethyl)-14-(1H-imidazol-5-ylmethyl)-3,6,9,12,15,18,21-heptaoxo-1,4,7,10,13,16,19-heptazacyclohenicos-2-yl]butylamino]-3-methyl-1-oxo pentan-2-yl] amino]-5-oxo pentanoic acid
