TY - Chemistry and Industry of Forest Products A1 - TAO Ran, WANG Chengzhang, ZHANG Changwei, ZHOU Hao, CHEN Hongxia T1 - Synthesis and Antitumor Activity of Selective Oxidation Products of Betulin Y1 - 2018-08-28 JF - Chemistry and Industry of Forest Products JO - Chemistry and Industry of Forest Products SP - 47 EP - 51 VL - 38 IS - 4 UR - http://www.cifp.ac.cn N1 - 10.3969/j.issn.0253-2417.2018.04.008 ER -