Reconstructing the shock history in the CMZ of NGC 253 with ALCHEMI K.-Y. Huang, S. Viti, J. Holdship, J. G. Mangum, S. Martín, N. Harada, S. Muller, K. Sakamoto, K. Tanaka, Y. Yoshimura et al. (12 more) A&A, 675 (2023) A151 Published online: 14 July 2023 DOI: 10.1051/0004-6361/202245659