A Bifunctional Phenylalanine–Lysine Oligopeptide Enabling Both Chiral Differentiation and Relative Configuration Analysis by Nuclear Magnetic Resonance Spectroscopy - Yun Peng; Mingjun Zhu; Qilin Xiang; Jiening Wang; Gangjin Yu; Guan Wang; Shan Wu; Xu Zhang; Lichun He; Maili Liu (Journal of the American Chemical Society, 2026)