It is derived as a natural metabolite of a certain bacteria found in soil. It also has potential to overcome multi-drugresistance in cancer cells.
它是一种土壤微生物的天然代谢产物，它能对付多抗药性癌细胞。
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And the natural plant was popular with the people because of the plant rich resources, without drugresistance, less toxic and side effects, free of harmful residues.