| LM_ID | Common Name | Systematic Name | Formula | Mass |
|---|---|---|---|---|
| LMSP03019ADK | SM(d14:1(4E)/16:0(2OH[R])) | N-(2R-hydroxyhexadecanoyl)-4E-tetradecasphingenine-1-phosphocholine | C35H71N2O7P | 662.4999 |
| LMSP03019AGG | SM(d14:1(8E)/16:0(2OH[R])) | N-(2R-hydroxyhexadecanoyl)-8E-tetradecasphingenine-1-phosphocholine | C35H71N2O7P | 662.4999 |