Furonaphthodioxoles

Etoposide, sold under the brand name Vepesid among others, is a chemotherapy medication used for the treatments of a number of types of cancer including testicular cancer, lung cancer, lymphoma, leukemia, neuroblastoma, and ovarian cancer. It is also used for hemophagocytic lymphohistiocytosis. It is used by mouth or injection into a vein.

Podophyllotoxin (PPT) is the active ingredient in Podofilox, a medical cream used to treat genital warts and molluscum contagiosum. It is not recommended for HPV infections without external warts. It can be applied either by a healthcare provider or the patient themselves.

Teniposide (trade name Vumon) is a chemotherapeutic medication used in the treatment of childhood acute lymphocytic leukemia (ALL), Hodgkin's lymphoma, certain brain tumours, and other types of cancer. It is in a class of drugs known as podophyllotoxin derivatives and slows the growth of cancer cells in the body.