2-[[4-[4-[2-[[(2R)-2-[[(2R)-2-[[2-[4,10-bis(carboxymethyl)-7-(2-hydroxyprop-2-enyl)-1,4,7,10-tetrazacyclododec-1-yl]acetyl]amino]-3-(trihydroxy-lambda4-sulfanyl)propanoyl]amino]-3-(trihydroxy-lambda4-sulfanyl)propanoyl]amino]ethylamino]-4-oxobutoxy]-2,6-dimethylphenyl]sulfonylamino]-3-[[7-[(1H-imidazol-2-ylamino)methyl]-1-methyl-4-oxoquinoline-3-carbonyl]amino]propanoic acid;(2S)-3-[[7-[(1H-imidazol-2-ylamino)methyl]-1-[3-[[(2R)-2-[[(4S)-5-[[(2R)-1-[3-[7-[(1H-imidazol-2-ylamino)methyl]-4-oxo-3-[[(2S)-3-oxo-2-[(2,4,6-trimethylphenyl)sulfonylamino]butyl]carbamoyl]quinolin-1-yl]propylamino]-1-oxo-3-sulfopropan-2-yl]amino]-5-oxo-4-[[2-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetrazacyclododec-1-yl]acetyl]amino]pentanoyl]amino]-3-(trihydroxy-lambda4-sulfanyl)propanoyl]amino]propyl]-4-oxoquinoline-3-carbonyl]amino]-2-[(2,4,6-trimethylphenyl)sulfonylamino]propanoic acid