Divergent Construction of Cyclobutane‐Fused Pentacyclic Scaffolds via Double Dearomative Photocycloaddition. - Song, Ting‐Ting; Lin, Fan; Xu, Shan‐Tong; Zhou, Bo‐Chao; Zhang, Li‐Ming; Guo, Shi‐Yu; Zhang, Xinglong; Chen, Qing‐An (Angewandte Chemie, 2025)