Mesh : Amines / therapeutic use Amino Acids / therapeutic use Animals Carbonates / therapeutic use Chemical Phenomena Chemistry Cystamine Cysteamine Dibenzazepines / therapeutic use Disulfides / therapeutic use Esters Indoles / therapeutic use Macromolecular Substances / therapeutic use Mercaptoethylamines / therapeutic use Mice Organothiophosphorus Compounds / therapeutic use Phosphoric Acids / therapeutic use Piperidines / therapeutic use Pyridines / therapeutic use Radiation Injuries, Experimental / prevention & control Radiation-Protective Agents / chemical synthesis Rats Selenium / therapeutic use Succinates / therapeutic use Sulfhydryl Compounds Sulfur / therapeutic use Sulfuric Acids / therapeutic use Thiocarbamates / therapeutic use beta-Aminoethyl Isothiourea