2-[[(E,2S,3R)-2-amino-3-hydroxyoctadec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium 2-[[(2S,3R)-2-amino-3-hydroxyoctadec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium 2-[[(E,2S,3R)-2-amino-3-hydroxy-octadec-4-enoxy]-hydroxy-phosphoryl]oxyethyl-trimethyl-ammonium 2-[[(2S,3R)-2-amino-3-hydroxy-octadec-4-enoxy]-hydroxy-phosphoryl]oxyethyl-trimethyl-ammonium 2-[[(E,2S,3R)-2-amino-3-hydroxyoctadec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylammonium 2-[[(2S,3R)-2-amino-3-hydroxyoctadec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylammonium 2-[[(E,2S,3R)-2-amino-3-hydroxy-octadec-4-enoxy]-hydroxy-phosphoryl]oxyethyl-trimethyl-azanium 2-[[(2S,3R)-2-amino-3-hydroxy-octadec-4-enoxy]-hydroxy-phosphoryl]oxyethyl-trimethyl-azanium Bio1_001003 HSCI1_000273 CBiol_001739 Bio1_000025 Sphingosyl-phosphocholine SMP2_000221 LMSP01060001 SM(d18:1/0:0) sphing-4-enine-1-phosphocholine C03640 Bio1_000514