99660-13-6

S-220 RC 121 IM 4-28 DC-13-203 P-Cttlvc-T D-Phe-L-Cys(1)-L-Tyr-D-Trp-L-Lys-L-Val-L-Cys(1)-L-Thr-NH2 10-(4-aminobutyl)-N-(1-amino-3-hydroxy-1-oxobutan-2-yl)-19-[(2-amino-3-phenylpropanoyl)amino]-16-[(4-hydroxyphenyl)methyl]-13-(1H-indol-3-ylmethyl)-6,9,12,15,18-pentaoxo-7-propan-2-yl-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carboxamide