(150)Yajing Hu, Yang-Rong Yao, Xuechen Liu, Ao Yu, Xiaoming Xie, Laura Abella, Antonio Rodr¨ªguez-Fortea, Josep M. Poblet, Takeshi Akasaka, Ping Peng, Qianyan Zhang,* Su-Yuan Xie, Fang-Fang Li * and Xing Lu *:Unexpected Formation of 1,2- and 1,4-Bismethoxyl Sc3N@Ih-C80 Derivatives via Regioselective Anion Addition: Unambiguous Structural Identification and Mechanism Study Chem. Sci., 2021,12, 8123-8130. DOI: 10.1039/D1SC01178B