Study of the HCCNC and HNCCC isotopologs in TMC-1J. Cernicharo, B. Tercero, C. Cabezas, M. AgĂșndez, E. Roueff, R. Fuentetaja, N. Marcelino and P. de VicenteA&A, 682 (2024) L13DOI: https://doi.org/10.1051/0004-6361/202348822