Synonyms: 4,8,12,16,20,24,28-Heptaazatetratriacontanedioic acid,19-(3-aminopropyl)-7,11-bis(2-carboxyethyl)-31-[[(3S)-3-[[(3R)-3-[[(3S)-3,6-diamino-1-oxohexyl]amino]-4-methyl-1-oxopentyl]amino]-1-oxobutyl]amino]-3-[(4-hydroxyphenyl)methyl]-23-methyl-15,27-bis(1-met