Laboratory and astronomical discovery of the cyanovinyl radical H2CCCN C. Cabezas, J. Tang, M. Agúndez, K. Seiki, Y. Sumiyoshi, Y. Ohshima, B. Tercero, N. Marcelino, R. Fuentetaja, P. de Vicente et al. (2 more) A&A, 676 (2023) L5 Published online: 31 July 2023 DOI: 10.1051/0004-6361/202347385