6'-(Bis(2-chloroethyl)amino)spiro(imidazolidine-4,1'-indan)-2,5-dione 97301-63-8 BRN 0931410 CB 1739 Spiro(imidazolidine-4,1'-indan)-2,5-dione, 6'-(bis(2-chloroethyl)amino)-