(S)-N-ethyl-1-(((S)-5-oxopyrrolidine-2-carbonyl)-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-tryptophyl-L-leucyl-d7-L-arginyl)pyrrolidine-2-carboxamide, 2,2,2-trifluoroacetic acid (1:2)

57773-65-6 (non-labelled, free base)

C₆₄H₇₆D_7N17O₁₂. 2 C₂HF₃O₂

1289.52 2*114.02