Tailoring Near Fermi-Level Topological Flatbands in Clar’s Goblet Graphene Nanoribbons through Regioselective Cyclization of Five-Membered Rings - Ruoting Yin; Xinyong Meng; Xin-Jing Zhao; Jianing Wang; Xiaoqing Wang; Qi Chen; Jie Meng; Zhengya Wang; Yifan Liang; Yuan-Zhi Tan; Bin Li; Wei Hu; et al. (Journal of the American Chemical Society, 2025)