Citation: Li, Lian-Jie; Qin, Chao; Wang, Xin-Long; Wang, Shuang; Zhao, Liang; Yang, Guang-Sheng; Wang, Hai-Ning; Yuan, Gang; Shao, Kui-Zhan; Su, Zhong-Min (2012). pH variation induced construction of a series of entangled frameworks based on bi- and tri-metallic cores as nodes. CrystEngComm, 14, pp. 124-.