1,1'-Pentamethylenebis(3-methyl-3-nitrosourea) 93507-75-6 BRN 2390520 N,N''-1,5-Pentanediylbis(N'-methyl-N'-nitrosourea) NSC 409065 Urea, 1,1'-pentamethylenebis(3-methyl-3-nitroso- Urea, N,N''-1,5-pentanediylbis(N'-methyl-N'-nitroso-