6X18:
reference: Differential GLP-1R Binding and Activation by Peptide and Non-peptide Agonists., Zhang X, Belousoff MJ, Zhao P, Kooistra AJ, Truong TT, Ang SY, Underwood CR, Egebjerg T, Senel P, Stewart GD, Liang YL, Glukhova A, Venugopal H, Christopoulos A, Furness SGB, Miller LJ, Reedtz-Runge S, Langmead CJ, Gloriam DE, Danev R, Sexton PM, Wootten D, Mol Cell. 2020 Oct 1. pii: S1097-2765(20)30650-X. doi:, 10.1016/j.molcel.2020.09.020. PMID: 33027691

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