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On Propadienone in the Interstellar Medium
G. Esplugues, J. C. Loison, M. Agúndez, G. Molpeceres, N. Marcelino, B. Tercero, and J. Cernicharo
reported on the
Discovery of Linear Propadienone — Study of the Cof linear and Cyclic H2C3O and H2C3S in TMC-1
Astron. Astrophys. 705, Art. No. A206 (2026).