(2R,2'R)-2,2'-(((2R,5R,8S,13S,16R,19R)-8,13-diacetamido-2,19-bis(3-guanidinopropyl)-5,16-dimethyl-4,7,14,17-tetraoxo-10,11-dithia-3,6,15,18-tetraazaicosanedioyl)bis(azanediyl))bis(N-((6R,9R,12R)-1,17-diamino-6-carbamoyl-1,17-diimino-9-methyl-8,11-dioxo-2,7,10,16-tetraazaheptadecan-12-yl)-5-guanidinopentanamide), 2,2,2-trifluoroacetic acid (1:x)

1262782-40-0 (free base)

C₇₀H₁₃₄N₄₀O₁₆S₂. x C₂HF₃O₂

1856.23 x*114.02