| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | American Chemical Society | https://doi.org/10.1021/acs.jnatprod.9b00783 | |
| Antioxidants | free resource | MedlinePlus Health Information | https://medlineplus.gov/antioxidants.html |
| free resource | NCI CPTC Antibody Characterization Program | https://antibodies.cancer.gov/detail/CPTC-NT5E-1 |