| LM_ID | Common Name | Systematic Name | Formula | Mass |
|---|---|---|---|---|
| LMSP03019ARU | SM(d15:1(4E)/14:0(2OH[R])) | N-(2R-hydroxytetradecanoyl)-4E-pentadecasphingenine-1-phosphocholine | C34H69N2O7P | 648.4842 |
| LMSP03019AUQ | SM(d15:1(8E)/14:0(2OH[R])) | N-(2R-hydroxytetradecanoyl)-8E-pentadecasphingenine-1-phosphocholine | C34H69N2O7P | 648.4842 |