Millimeter wave spectra of ethyl isocyanate and searches for it in Orion KL and Sagittarius B2L. Kolesniková, E. R. Alonso, B. Tercero, J. Cernicharo and J. L. AlonsoA&A, 616 (2018) A173DOI: https://doi.org/10.1051/0004-6361/201833223