1,4-BUTANEDIAMINE, N-(3-AMINOPROPYL)-, PHOSPHATE (2:3) 1,4-Butanediamine, N-(3-aminopropyl)-, phosphate (2:3), hexahydrate 1945-32-0 49721-50-8 AI3-51850 Bis(N-(3-ammoniopropyl)-N,N'-butan-1,4-diyldiammonio) trihydrogen triphosphate CCRIS 3614 EINECS 256-447-9 N-(3-Aminopropyl)-1,4-butanediamine, phosphate SPD phosphate Spermidine phosphate