CN and CCH derivatives of ethylene and ethane: Confirmation of the detection of CH3CH2CCH in TMC-1J. Cernicharo, B. Tercero, M. AgĂșndez, C. Cabezas, R. Fuentetaja, N. Marcelino and P. de VicenteA&A, 686 (2024) A139DOI: https://doi.org/10.1051/0004-6361/202449531