Synthesis and Crystal Structure of di-p-Methyl pyridinium-p-methylpyridinidine Hexatungstate
LIN Xin-rong, CHEN Ming-qin, LIU Hui-zhang, XU Jin-yu, LI Pei, JIN Song-lin, XIE Gao-yang
Chemical Research in Chinese Universities . 1999, (3): 205 -210 .