117680-04-3 Butanediamide, N-hydroxy-N'-(4-((4-(hydroxymethylamino)-1,4-dioxobutyl)amino)butyl)-N'-(3-((4-(hydroxymethylamino)-1,4-dioxobutyl)amino)propyl)-N-methyl- N(1),N(4),N(8)-Tris(N-methyl-N-hydroxysuccinamoyl)spermidine N-Hydroxy-N'-(4-((4-(hydroxymethylamino)-1,4-dioxobutyl)amino)butyl)-N'-(3-((4-(hydroxymethylamino)-1,4-dioxobutyl)amino)propyl)-N-methylbutanediamide Spermexatin