Determination of ethyl cyanoacetate in tofacitinib citrate crude by liquid-liquid extraction-gas chromatography

SHI Li-juan, JIANG Yu-juan, CHENG Guan-jun, WANG Li, LI Hui, LIU Yi-xuan, WANG Hai-na

Chinese Journal of Pharmaceutical Analysis ›› 2026, Vol. 46 ›› Issue (1) : 137-142.

Chinese Journal of Pharmaceutical Analysis ›› 2026, Vol. 46 ›› Issue (1) : 137-142. DOI: 10.16155/j.0254-1793.2025-0134
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Determination of ethyl cyanoacetate in tofacitinib citrate crude by liquid-liquid extraction-gas chromatography

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2026, 46(1): 137-142 https://doi.org/10.16155/j.0254-1793.2025-0134

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