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 56605-16-4 AIDS-127604 AIDS127604 NSC172112 SHM Spirohydantoin mustard Spiromustine