(S)-N-(2-amino-2-oxoethyl)-1-(((S)-5-oxopyrrolidine-2-carbonyl)-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-phenylalanyl-L-leucyl-L-arginyl)pyrrolidine-2-carboxamide, 2,2,2-trifluoroacetic acid (1:2)

57521-78-5 (free base), 1236361-79-7 (acetate salt)

C₆₂H₈₁N₁₇O₁₃. 2 C₂HF₃O₂

1272.44 2*114.02