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Synthesis of related substances from levonorgestrel
LI Xin-peng;GAO Hu;WANG Dong-mei;ZHENG Yan;HU Biao;WU Song;State Key Laboratory of Bioactive Substances and Functions of Natural Medicines & Ministry of Health Key Laboratory of Biosynthesis of Natural Products;Institute of Materia Medica;Chinese Academy of Medical Sciences & Peking Union Medical College;Beijing Zizhu Pharmaceutical Company Limited;
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