| Label | Id | |
|---|---|---|
| D-Rhodosamine | 32574 | |
| L-histidinate | 32511 | |
| L-histidinate(1-) | 32510 | |
| L-histidinediium | 32512 | |
| L-histidinium | 32513 | |
| L-histidinium(1+) | 32513 | |
| L-histidinium(2+) | 32512 | |
| L-histidyl | 32514 | |
| L-lysinate | 32550 | |
| L-lysinediium | 32552 | |
| L-lysinium | 32551 | |
| L-lysinium(1+) | 32551 | |
| L-lysinium(2+) | 32552 | |
| 6-butyl-1,4-dioxan-2-one | 173255 | |
| D-histidinate(1-) | 32523 |