[molecular_function] N(1),N(12)-diacetylspermine:oxygen oxidoreductase (3-acetamidopropanal-forming) activity <sep> N1-acetylspermidine:oxygen oxidoreductase (3-acetamidopropanal-forming) activity <sep> N1-acetylspermine:oxygen oxidoreductase (3-acetamidopropanal-forming) activity <sep> polyamine oxidase activity <sep> spermidine:oxygen oxidoreductase (3-aminopropanal-forming) activity <sep> spermine:oxygen oxidoreductase (spermidine-forming) activity