Multiline study of the radial extent of SiO, CS, and SiS in asymptotic giant branch envelopes S. Massalkhi, M. Agúndez, J. P. Fonfría, J. R. Pardo, L. Velilla-Prieto and J. Cernicharo A&A, 688 (2024) A16 Published online: 29 July 2024 DOI: 10.1051/0004-6361/202450188