@article{201704.0120, doi = {10.20944/preprints201704.0120.v2}, url = {https://doi.org/10.20944/preprints201704.0120.v2}, year = 2017, month = {April}, publisher = {Preprints}, author = {Kuai ZhenYu and Lei Li and Shengwen Zhan and Chunlin Li and Yuwei Zhao and Hongrong Chen and Yanqiu Meng}, title = {Synthesis and Anti-Tumor Activity of Oleanolic Acid Derivatives}, journal = {Preprints} }