| Label | Id | |
|---|---|---|
| l pen5 enkephalin d pen2 | D020881 | |
| l-pen5-enkephalin d-pen2 | D020881 | |
| pen(2,5)- enkephalin | D020881 | |
| penicillamine (2,5)- enkephalin | D020881 |
| Label | Id | |
|---|---|---|
| l pen5 enkephalin d pen2 | D020881 | |
| l-pen5-enkephalin d-pen2 | D020881 | |
| pen(2,5)- enkephalin | D020881 | |
| penicillamine (2,5)- enkephalin | D020881 |