Synonyms: Choline,hydroxide, 2-amino-3-hydroxy-4-octadecenyl hydrogen phosphate, inner salt,(E)-D-erythro- (8CI); Ethanaminium,2-[[[(2-amino-3-hydroxy-4-octadecenyl)oxy]hydroxyphosphinyl]oxy]-N,N,N-trimethyl-,inner salt, [R-[R*,S*-(E)]]-; Ethanaminium,2-[[[[(2S,3R,4E)-2-amino-3-hydroxy-4-octadecenyl]oxy]hydroxyphosphinyl]oxy]-N,N,N-trimethyl-,inner salt (9CI); C18-Sphingosine phosphocholine; Lysosphingomyelin;Sphingenyl-1-phosphorylcholine; Sphingosylphosphorylcholine;erythro-Sphingosylphosphorylcholine