| (2s)-1-{[(4r,7s,10s,13s,16s,19r)-19-{[({[(aminoacetyl)amino]acetyl}amino)acetyl]amino}-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-13-benzyl-16-(4-hydroxybenzyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosan-4-yl]carbonyl}-n-{(2s)- |
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