Showing structure for 2-amino-4-({1-[(1-carboxy-3-{[1-({1-carboxy-3-[(1-carboxy-2-sulfanylethyl)-c-hydroxycarbonimidoyl]propyl}-c-hydroxycarbonimidoyl)-2-sulfanylethyl]-c-hydroxycarbonimidoyl}propyl)-c-hydroxycarbonimidoyl]-2-sulfanylethyl}-c-hydroxycarbonimidoyl)butanoic acid