TY - GENERIC DO - 10.20944/preprints201704.0120.v2 UR - http://dx.doi.org/10.20944/preprints201704.0120.v2 TI - Synthesis and Anti-Tumor Activity of Oleanolic Acid Derivatives T2 - Preprints AU - ZhenYu, Kuai AU - Li, Lei AU - Zhan, Shengwen AU - Li, Chunlin AU - Zhao, Yuwei AU - Chen, Hongrong AU - Meng, Yanqiu PY - 2017 DA - 2017/04/24 PB - Preprints