Synthesis and Evaluation of Novel Triterpene Analogues of Ursolic Acid as Potential Antidiabetic Agent. oleh Panpan Wu, Jie Zheng, Tianming Huang, Dianmeng Li, Qingqing Hu, Anming Cheng, Zhengyun Jiang, Luoying Jiao, Suqing Zhao, Kun Zhang