| Label | Id | |
|---|---|---|
| 1,4-Lactone | 37581 | |
| 1,4-lactones | 37581 | |
| 2-(prostaglandin E2)-LPE zwitterion | 137581 | |
| 2-(9-oxo-11R,15S-dihydroxy-5Z,13E-prostadienoyl)-sn-glycero-3-phosphoethanolamine zwitterion | 137581 | |
| 2-(prostaglandin E2)-sn-glycero-3-phosphoethanolamine | 137581 | |
| a 1,4-lactone | 37581 | |
| butyrolactones | 37581 | |
| gamma-Laktone | 37581 | |
| gamma-lactona | 37581 | |
| gamma-lactonas | 37581 | |
| gamma-lactones | 37581 | |
| 2-(prostaglandin E2)-sn-glycero-3-phosphoethanolamine zwitterion | 137581 |