| LM_ID | Common Name | Systematic Name | Formula | Mass |
|---|---|---|---|---|
| LMSP03019AXQ | SM(d15:2(4E,6E)/15:0) | N-(pentadecanoyl)-4E,6E-pentadecasphingadienine-1-phosphocholine | C35H69N2O6P | 644.4893 |
| LMSP03019A0M | SM(d15:2(4E,8E)/15:0) | N-(pentadecanoyl)-4E,8E-pentadecasphingadienine-1-phosphocholine | C35H69N2O6P | 644.4893 |