N-Heterocyclic Selone-Catalyzed [2σ + 2π] Cycloaddition of Bicyclo[1.1.0]butanes via Photoredox Radical Buffer - Kejun Lin; Chen-Rui Luo-Wei; Yuan Gao; Jianyong Lan; Tingshun Zhu (Journal of the American Chemical Society, 2025)