5-23-01-00357 (Beilstein Handbook Reference) 55291-04-8 BRN 0866929 N,N''-(1,4-Piperazinediyldi-3,1-propanediyl)bis(N'-(4-chlorophenyl)urea) Urea, N,N''-(1,4-piperazinediyldi-3,1-propanediyl)bis(N'-(4-chlorophenyl)-