| Label | Id | |
|---|---|---|
| Met-enkephalin | 189868 | |
| L-Tyr-Gly-Gly-L-Phe-L-Met zwitterion | 189868 | |
| L-tyrosylglycylglycyl-L-phenylalanyl-L-methionine zwitterion | 189868 | |
| M-ENK zwitterion | 189868 | |
| MENK zwitterion | 189868 | |
| Tyr-Gly-Gly-Phe-Met zwitterion | 189868 | |
| [Met(5)]-enkephalin zwitterion | 189868 | |
| [Met(5)]enkephalin zwitterion | 189868 | |
| metenkefalin zwitterion | 189868 |