801221-40-9

Butanoic acid,4-[[4-[[3-[(3,4-dihydroxybenzoyl)amino]propyl]amino]butyl]amino]-2-[2-[[4-[[3-[(3,4-dihydroxy-2-sulfobenzoyl)amino]propyl]amino]butyl]amino]-2-oxoethyl]-2-hydroxy-4-oxo-