tert-butyl (4-((2S,5S,8S,11R,14S,20R)-20-(((S)-1-amino-6-(((benzyloxy)carbonyl)(isopropyl)amino)-1-oxohexan-2-yl)carbamoyl)-2-benzyl-5-(4-(tert-butoxy)benzyl)-14-(naphthalen-2-ylmethyl)-3,6,9,12,15,18,23-heptaoxo-11-(3-(3-((2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-yl)sulfonyl)guanidino)propyl)-1,4,7,10,13,16,19-heptaazacyclotricosan-8-yl)butyl)(isopropyl)carbamate

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