Citation: Sun, Xiao-Li; Wang, Zhi-Jie; Zang, Shuang-Quan; Song, Wen-Chao; Du, Chen-Xia (2012). A Series of Cd(II) and Zn(II) Coordination Polymers with Helical Subunits Assembled from a Versatile 3-(4-hydroxypyridinium-1-yl) Phthalic Acid and N-Donor Ancillary Coligands. Crystal Growth & Design, 12, pp. 4431-.