N,N'-bis(5-(N-benzoylglycylamino)-5-carboxypentyl)-2-hydroxy-2-(7-carboxyheptyl)-3-imino-1,2-dihydropyrolle
n,n'-bis(5-(n-benzoylglycylamino)-5-carboxypentyl)-2-hydroxy-2-(7-carboxyheptyl)-3-imino-1,2-dihydropyrolle