Fundamental aspects of the molecular topology of fuchsine acid dye with connection numbers Ali N. A. Koam, Ali Ahmad, Shahid Zaman, Ibtisam Masmali and Haleemah Ghazwani Eur. Phys. J. E, 47 4 (2024) 24 Published online: 04 April 2024 DOI: 10.1140/epje/s10189-024-00418-7