Studies on Some Gadolinium(Ⅲ) Complexes asNew Water-Soluble Paramagnetic RelaxationReagents(RR) for <sup>13<sup>C NMR Spectrometry</sup></sup>

WANG Ying-zi, ZHAO Da-qing, REN Ji-min, NI Jia-zan

Chemical Research in Chinese Universities . 1994, (4): 348 -352 .