Citation: Ming-Liang Ma; Xiao-Yan Li; Ke Wen (2009). Coordination-Driven Self-Assembly of a Discrete Molecular Cage and an Infinite Chain of Coordination Cages Based on ortho-Linked Oxacalix[2]benzene[2]pyrazine and Oxacalix[2]arene[2]pyrazine. Journal of the American Chemical Society, 131, pp. 8338-8339.