Planet formation in the PDS 70 system - Constraining the atmospheric chemistry of PDS 70b and c Alex J. Cridland, Stefano Facchini, Ewine F. van Dishoeck and Myriam Benisty A&A, 674 (2023) A211 Published online: 23 June 2023 DOI: 10.1051/0004-6361/202245619