1,3-Diazaspiro(4.5)decane-2,4-dione, 3-(2-(bis(2-chloroethyl)amino)ethyl)- 3-(2-(Bis(2-chloroethyl)amino)ethyl)-1,3-diazaspiro(4.5)decane-2,4-dione 3-(2-(Bis(2-chloroethyl)amino)ethyl)-5,5-pentamethylenehydantoin 5-24-07-00298 (Beilstein Handbook Reference) 56605-16-4 BRN 0757144 NSC 172112 NSC-172112 SPIROMUSTINE Spirohydantoin mustard Spiromustina [INN-Spanish] Spiromustina [Spanish] Spiromustine [USAN:INN] Spiromustinum [INN-Latin]