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