Newly observed X(4630): a new charmoniumlike molecule Xin-Dian Yang, Fu-Lai Wang, Zhan-Wei Liu and Xiang Liu Eur. Phys. J. C, 81 9 (2021) 807 Published online: 12 September 2021 DOI: 10.1140/epjc/s10052-021-09606-7