Chemical Formula: C44H69N11O20

1-[2-({2-[(2-{[2-({2-[(2-{[2-({2-[(2-amino-1-hydroxypropylidene)amino]-1-hydroxy-3-methylbutylidene}amino)-3-carboxy-1-hydroxypropylidene]amino}-3-carboxy-1-hydroxypropylidene)amino]-3-carboxy-1-hydroxypropylidene}amino)-1-hydroxypropylidene]amino}-4-carboxy-1-hydroxybutylidene)amino]-1-hydroxy-4-(C-hydroxycarbonimidoyl)butylidene}amino)-3-methylpentanoyl]pyrrolidine-2-carboxylate