| LM_ID | Common Name | Systematic Name | Formula | Mass |
|---|---|---|---|---|
| LMSP03019ARQ | SM(d15:1(4E)/12:0(2OH[R])) | N-(2R-hydroxytridecanoyl)-4E-pentadecasphingenine-1-phosphocholine | C32H65N2O7P | 620.4529 |
| LMSP03019AUM | SM(d15:1(8E)/12:0(2OH[R])) | N-(2R-hydroxytridecanoyl)-8E-pentadecasphingenine-1-phosphocholine | C32H65N2O7P | 620.4529 |