Millimeter wave spectroscopy of cyanoketene (NC–CH=C=O) and an observational search in the ISML. Margulès, B. A. McGuire, R. A. Motiyenko, C. Brogan, T. Hunter, A. Remijan and J. C. GuilleminA&A, 638 (2020) A3DOI: https://doi.org/10.1051/0004-6361/201937183