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Detection of Ethynyloxomethylium, HC3O+, in the ISM
J. Cernicharo, N. Marcelino, M. Agúndez, Y. Endo, C. Cabezas, C. Bermúdez, B. Tercero, and P. de Vicente
reported on the
Discovery of HC<sub>3</sub>O<sup>+</sup> in Space: The Chemistry of O-bearing Species in TMC-1
Astron Astrophys. 587, Art. No. A130 (2016).