Building formamide and N-substituted formamides from isocyanates on hydrogenated water ices N. Tieppo, P. Redondo, F. Pauzat, O. Parisel, J.-C. Guillemin and Y. Ellinger A&A, 695 (2025) A133 Published online: 17 March 2025 DOI: 10.1051/0004-6361/202450614