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The chemical structure of the natural products with immunomodulatory potential for immune checkpoints from herbal medicines. Apigenin, berberine, chrysophanol, curcumin, β‐elemene, EGCG, gallic acid, ginsenoside Rg3, ginsenoside Rh2, ginsenoside Rh4, ginsenoside Rk1, β‐glucans, resveratrol, silibinin, and triptolide. EGCG, epigallocatechin gallate
