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Synthesis and Antitumor Activity of Selective Oxidation Products of Betulin
TAO Ran, WANG Chengzhang, ZHANG Changwei, ZHOU Hao, CHEN Hongxia
Chemistry and Industry of Forest Products . 2018, (4): 47 -51 .  DOI: 10.3969/j.issn.0253-2417.2018.04.008