Jingjing Shao, Lin Huang, Shao-Jie Lou, Aya Ohno, Yoichi M. A. Yamada, Masayoshi Nishiura, Tetsuro Murahashi, Zhaomin Hou. "Synthesis of Rigid Stepladder Polymers via Scandium-Catalyzed Polyspiroannulation of Quinoline with Alkyne." Journal of the American Chemical Society, 2025. doi:10.1021/jacs.4c15046