@article{wang_wu_han_zhang_lin_wang_wang_bu_2022,  title={Synthesis and Biological Evaluation of Novel Betulin Derivatives with Aromatic Hydrazone Side Chain as Potential Anticancer Agents},  volume={33},  ISSN={0103-5053},  url={https://doi.org/10.21577/0103-5053.20210140},  DOI={10.21577/0103-5053.20210140},  number={3},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Wang, Jiafeng and Wu, Jiale and Han, Yinglong and Zhang, Jie and Lin, Yu and Wang, Haijun and Wang, Jing and Bu, Ming},  year={2022},  month={Mar},  pages={227–237} }