Enhancing the cumulene character of one-dimensional acetylene-based systems by stimuli-induced planarization of their two pro-diradicaloid cyclopenta[h,i]aceanthrylene units - Fernández, AC; Rivero, SM; Chaurasia, S; Torres, T; Casado, J; Bottari, G (Angewandte Chemie (International Ed. Print), 2025)