- Quinine: Used to treat malaria.
- Aspirin: Used to relieve pain, inflammation, and fever.
- Digitalis: Used to treat heart failure.
- Ipecac: Used to induce vomiting.
- Curare: Used as a muscle relaxant during surgery.
- Reserpine: Used to treat high blood pressure.
- Vinblastine and vincristine: Used to treat leukemia and Hodgkin's disease.
- Podophyllotoxin: Used to treat genital warts.
- Paclitaxel (Taxol): Used to treat breast, ovarian, and lung cancers.
- Topotecan: Used to treat lung cancer and ovarian cancer.
- Camptothecin: Used to treat colon cancer and lung cancer.