NMR Spectroscopic Characteristics of Cephalosporin E-isomer Impurities
LI Jin, YAO Shang-chen, YIN Li-hui, XU Ming-zhe, HU Chang-qin
Chinese Pharmaceutical Journal ›› 2021, Vol. 56 ›› Issue (10) : 836-841.
NMR Spectroscopic Characteristics of Cephalosporin E-isomer Impurities
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