Vertically extended and asymmetric CN emission in the Elias 2-27 protoplanetary disk T. Paneque-Carreño, A. Miotello, E. F. van Dishoeck, L. M. Pérez, S. Facchini, A. F. Izquierdo, L. Tychoniec and L. Testi A&A, 666 (2022) A168 Published online: 25 October 2022 DOI: 10.1051/0004-6361/202142693