Quality evaluation of N-nitrosodimethylamine (NDMA) in metformin hydrochloride preparation by gas chromatography tandem mass spectrometry*
JING Yuan-chao, WANG Hai-yan, SUN Tao, KONG Ling-yang, BAI Hong
Chinese Journal of Pharmaceutical Analysis . 2022, (12): 2122 -2128 .  DOI: 10.16155/j.0254-1793.2022.12.08

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