| LM_ID | Common Name | Systematic Name | Formula | Mass |
|---|---|---|---|---|
| LMSP03019CAL | SM(d19:1(4E)/11:0) | N-(undecanoyl)-4E-nonadecasphingenine-1-phosphocholine | C35H71N2O6P | 646.5050 |
| LMSP03019CDH | SM(d19:1(8E)/11:0) | N-(undecanoyl)-8E-nonadecasphingenine-1-phosphocholine | C35H71N2O6P | 646.5050 |