Photoswitchable Catalytic Divergent Synthesis by a Viologen‐Functionalized Lanthanide‐Organic Tetrahedral Cage. - Tang, Ke‐Han; Tian, Yu‐Xi; Yin, Fan; Zhuang, Wei‐Hui; Hu, Shao‐Jun; Zhou, Li‐Peng; Yang, Jian; Sun, Qing‐Fu (Angewandte Chemie, 2025)