1-Morpholino-1-undecanone 1-Undecanone, 1-morpholino- 32972-24-0 4-(1-Oxoundecyl)morpholine 4-27-00-00278 (Beilstein Handbook Reference) 4-Undecanoyl morpholine BRN 0161297 EINECS 251-314-1 NSC 162315