1,3-Propanediamine, N-(4-(1-(3-aminopropyl)-2-hydroxy-2-nitrosohydrazino)butyl)-N-(4-(1-(3-Aminopropyl)-2-hydroxy-2-nitrosohydrazino)butyl)- 136587-13-8 CCRIS 4091 N-(4-(1-(3-Aminopropyl)-2-hydroxy-2-nitrosohydrazino)butyl)-1,3-propanediamine Spermine nitric oxide complex Spermine/nitric oxide complex