Synonym(s): (2 S ,3 R ,4 E )-2-Amino-4-octadecene-3-hydroxy-1-phosphocholine; 2-[[[(2-Amino-3-hydroxy-4-octadecenyl)oxy]hydroxy-phosphinyl]oxy]-N,N,N-trimethylethanaminium inner salt; D-erythro-Sphingosine phosphocholine; Lyso SM (d18:1); Lysosphingomyelin Empirical Formula:...