H-atom-assisted formation of key radical intermediates in interstellar sugar synthesis - New insights from para-H2 matrix isolation experimentsBarbara Keresztes, Basheer Aazaad, Anita Schneiker, Sándor Góbi, Gopi Ragupathy, Péter G. Szalay and György TarczayA&A, 689 (2024) A21DOI: https://doi.org/10.1051/0004-6361/202450649