6-((1-(5-amino-5-carboxypentyl)-3-hydroxy-pyrrol-2-yl)-2-methylidene-5-methyl-1,2H-pyrrol-3-one-1-yl)-2-amino-hexanoic acid
6-((1-(5-amino-5-carboxypentyl)-3-hydroxy-pyrrol-2-yl)-2-methylidene-5-methyl-1,2h-pyrrol-3-one-1-yl)-2-amino-hexanoic acid