Compounds and their uses

1. A radiosensitization method to treat cancer in a mammal, comprising administering to said mammal a compound selected from the group consisting of:

2. A radiosensitization method to treat cancer in a mammal, comprising administering to said mammal a compound of formula:

3. A radiosensitization method to treat cancer in a mammal, comprising administering to said mammal a compound of formula:

4. The radiosensitization method, according to claim 1 , wherein said mammal is a human.

5. The radiosensitization method, according to claim 1 , further comprising irradiating said cancer with a therapeutically-effective dose of radiation.

6. The radiosensitization method, according to claim 1 , wherein said cancers are selected from the group consisting of ACTH-producing tumors, acute lymphocytic leukemia, acute nonlymphocytic leukemia, cancer of the adrenal cortex, bladder cancer, brain cancer, breast cancer, cervical cancer, chronic lymphocytic leukemia, chronic myelocytic leukemia, colorectal cancer, cutaneous T-cell lymphoma, endometrial cancer, esophageal cancer, Ewing's sarcoma, gallbladder cancer, hairy cell leukemia, head and neck cancer, Hodgkin's lymphoma, Kaposi's sarcoma, kidney cancer, liver cancer, lung cancer (small and/or non-small cell), malignant peritoneal effusion, malignant pleural effusion, melanoma, mesothelioma, multiple myeloma, neuroblastoma, non-Hodgkin's lymphoma, osteosarcoma, ovarian cancer, ovary (germ cell) cancer, prostate cancer, pancreatic cancer, penile cancer, retinoblastoma, skin cancer, soft-tissue sarcoma, squamous cell carcinomas, stomach cancer, testicular cancer, thyroid cancer, trophoblastic neoplasms, uterine cancer, vaginal cancer, cancer of the vulva and Wilm's tumor.

7. The radiosensitization method, according to claim 1 , wherein said cancers are selected from the group consisting of ovarian cancer, prostate cancer, pancreatic cancer, testicular cancer, and thyroid cancer.