2-(3-Aminopropylamino)ethyl thiophosphate 20537-88-6 AU-95722 Amifostine Aminopropylaminoethyl thiophosphate Ethanethiol, 2-[(3-aminopropyl)amino]-, dihydrogen phosphate (ester) Ethanethiol, S-[(3-aminopropyl)amino]-, dihydrogen phosphate- (ester) Ethiofos Gammaphos NSC296961 Phosphorothioic acid, S-[2-[(3-aminopropyl)amino]ethyl] ester Phosphorothioic acid, S-[2-[(3-aminopropyl)amino]ethyl]ester S-(2-(3-Aminopropylamino)ethyl) phosphorothioate S-[2-(3-Aminopropylamino)ethyl] phosphorothioate S-[2-[(3-Aminopropyl)amino]ethyl] dihydrogen phosphorothioate SAPEP WR 2721 WR 2721C