Patent ID: 7176192

Claim:
A method of treating a human subject for exposure to ionizing radiation, said method comprising administering to the subject following the subject's exposure to the ionizing radiation an effective amount of a compound of formula I: wherein: R 1 is hydrogen, lower alkyl, a sulfur-containing amino acid or R 2 and R 4 are each individually SO 3 − M + , PO 3 2− M 2 2+ , or PO 2 S 2− M 2 2+ ; R 3 and R 5 are each individually hydrogen, hydroxy or suithydryl, where if R 1 is hydrogen, R 3 is not sulfhydryl; m and n are individually 0, 1, 2, 3 or 4, with the proviso that if m or n is 0, then R 3 is hydrogen; and M is hydrogen or an alkali metal ion; or a pharmaceutically acceptable salt thereof.