(S)-N-((S)-6-amino-1-((2-amino-2-oxoethyl)amino)-1-oxohexan-2-yl)-1-((4R,7S,10S,13S,16S,19R)-19-amino-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-13,16-dibenzyl-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)pyrrolidine-2-carboxamide, acetic acid (1:2)

56-59-7 (free base)

C₄₆H₆₅N₁₃O₁₁S₂. 2 C₂H₄O₂

1040.23 2*60.05