SUN Yun, HUO Jian-Zhong, CHEN Ke, SUN Ming, SONG Hai-Bin, LIU Xiao-Lan
2004, Vol. 62(5): 498-501
1. College of Chemistry and Life Science, Tianjin Normal University, Tianjin 300074;
2. Tianjin Adult Pharmaceutical College, Tianjin 300142;
3. College of Chemistry, Nankai University, Tianjin 300071
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