Chemical exploration of Galactic cold cores Chenlin Zhou, Charlotte Vastel, Julien Montillaud, Cecilia Ceccarelli, Karine Demyk, Jorma Harju, Mika Juvela, Isabelle Ristorcelli and Tie Liu A&A, 658 (2022) A131 Published online: 10 February 2022 DOI: 10.1051/0004-6361/202142408