The ESO SupJup Survey - VIII. Chemical fingerprints of young L dwarf twins N. Grasser, I. A. G. Snellen, S. de Regt, D. González Picos, Y. Zhang, T. Stolker, S. Gandhi, E. Nasedkin, R. Landman, A. Y. Kesseli and W. Mulder A&A, 698 (2025) A252 Published online: 18 June 2025 DOI: 10.1051/0004-6361/202554195