
| 4,4'-(1,2-ethylidene)bismorpholine |
| 4,4'-(1,2-ethanediyl)bis-morpholine |
| 4,4 '-(1,2-ethanediyl)bis-morpholin |
| morpholine,4,4'-(1,2-ethanediyl)bis- |

| 4,4'-(1,2-ethylidene)bismorpholine |
| 4,4'-(1,2-ethanediyl)bis-morpholine |
| 4,4 '-(1,2-ethanediyl)bis-morpholin |
| morpholine,4,4'-(1,2-ethanediyl)bis- |