3-acetamidopropanal + putrescine + H2O2 => N(1)-acetylspermidine + O2 + H2O
3-acetamidopropanal + putrescine + h2o2 => n(1)-acetylspermidine + o2 + h2o
3-acetamidopropanal + putrescine + H2O2 => N(1)-acetylspermidine + O2 + H2O
3-acetamidopropanal + putrescine + h2o2 => n(1)-acetylspermidine + o2 + h2o