39-((2-((2-BROMOACETYL)AMINO)ETHYL)AMINO)-18-CARBOXY-16,21,30,39-TETRAOXO-25,28,34,37-TETRAOXA-17,22,31-TRIAZANONATRIACONTANOIC ACID, (18S)-
39-((2-((2-bromoacetyl)amino)ethyl)amino)-18-carboxy-16,21,30,39-tetraoxo-25,28,34,37-tetraoxa-17,22,31-triazanonatriacontanoic acid, (18s)-