Exotic states with triple charm M. Bayar, A. Martínez Torres, K. P. Khemchandani, R. Molina and E. Oset Eur. Phys. J. C, 83 1 (2023) 46 Published online: 19 January 2023 DOI: 10.1140/epjc/s10052-023-11207-5