a-L-RhapN b-L-RhapN a-D-RhapN ?-L-Rha?N
| 9 3 2 1
| 9 3 1 1
| [CH3][C@H](O1)[C@H](O)[C@@H](O)[C@@H](N)[C@H](O)1122110onoodd
[CH3][C@H](O1)[C@H](O)[C@@H](O)[C@@H](N)[C@@H](O)1222110onoodd
[CH3][C@@H](O1)[C@@H](O)[C@H](O)[C@H](N)[C@@H](O)1211220onoodd
3 variants possible; use an icon →x22110?no??d
|