| LM_ID | Common Name | Systematic Name | Formula | Mass |
|---|---|---|---|---|
| LMSP03019CAK | SM(d19:1(4E)/11:0(2OH[R])) | N-(2R-hydroxyundecanoyl)-4E-nonadecasphingenine-1-phosphocholine | C35H71N2O7P | 662.4999 |
| LMSP03019CDG | SM(d19:1(8E)/11:0(2OH[R])) | N-(2R-hydroxyundecanoyl)-8E-nonadecasphingenine-1-phosphocholine | C35H71N2O7P | 662.4999 |