| LM_ID | Common Name | Systematic Name | Formula | Mass |
|---|---|---|---|---|
| LMSP03019ARS | SM(d15:1(4E)/13:0(2OH[R])) | N-(2R-hydroxydodecanoyl)-4E-pentadecasphingenine-1-phosphocholine | C33H67N2O7P | 634.4686 |
| LMSP03019AUO | SM(d15:1(8E)/13:0(2OH[R])) | N-(2R-hydroxydodecanoyl)-8E-pentadecasphingenine-1-phosphocholine | C33H67N2O7P | 634.4686 |