Synthesis of Nonionic Oligomeric Manganese(Ⅱ) Complexes and Investigation of Their Toxicity and T<sub>1</sub>-Relaxation Enhancement

YU Kai-chao, LI Ying-xia, ZHOU Jin-lan, DING Shang-wu, YE Chao-hui

Chemical Research in Chinese Universities . 2005, (5): 512 -516 .