Chemical Formula: C81H120N18O27

4-[6-amino-2-(2-{2-[2-(2-{2-[2-(6-amino-2-{2-[2-(2-amino-3-hydroxypropanamido)-3-hydroxypropanamido]-4-methylpentanamido}hexanamido)-4-carboxybutanamido]-3-(4-hydroxyphenyl)propanamido}-3-(1H-indol-3-yl)propanamido)-3-hydroxypropanamido]-3-hydroxypropanamido}-4-methylpentanamido)hexanamido]-4-{[1-({1-[(1-carboxy-2-hydroxyethyl)carbamoyl]-2-phenylethyl}carbamoyl)-2-hydroxyethyl]carbamoyl}butanoic acid

H-DL-Ser-DL-Ser-DL-Leu-DL-Lys-DL-Glu-DL-Tyr-DL-Trp-DL-Ser-DL-Ser-DL-Leu-DL-Lys-DL-Glu-DL-Ser-DL-Phe-DL-Ser-OH