1-(Diethylamino)-3-butanone 2-BUTANONE, 4-DIETHYLAMINO- 3299-38-5 4-(Diethylamino)-2-butanone 4-(Diethylamino)butan-2-one 4-(N,N-Diethylamino)butan-2-one 4-04-00-01930 (Beilstein Handbook Reference) BRN 1746141 EINECS 221-970-3 NSC 28042