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. 2022 Jun 17;13:903239. doi: 10.3389/fphar.2022.903239

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Copyright © 2022 Shen, Li, Yu and Du.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

Patented technology distribution of anticancer natural products. The IPC classification number reflects the technical field covered by each patent. (A) Technology distribution on the IPC subclass dimension. Anticancer natural products are mainly distributed in the A61P and A61K subclasses. (B) Technology distribution on IPC group dimension. Anticancer natural products are mainly distributed in the A61P35/00 and A61P29/00 groups.