has functional parent sphinganine-1-phosphocholine (2S,3R)-2-amino-3-hydroxyoctadecyl 2-(trimethylazaniumyl)ethyl phosphate 466.354 466.636 A phosphosphingolipid consisting of sphinganine having a phosphocholine group attached to its primary hydroxyl group. C23H51N2O5P CHEBI:132478 GSEOJHIBPQRSNH-XZOQPEGZSA-N InChI=1S/C23H51N2O5P/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-23(26)22(24)21-30-31(27,28)29-20-19-25(2,3)4/h22-23,26H,5-21,24H2,1-4H3/t22-,23+/m0/s1 LIPID_MAPS_instance:LMSP01060002 LysoSM(d18:0) O=P(OCC[N+](C)(C)C)(OC[C@H](N)[C@@H](CCCCCCCCCCCCCCC)O)[O-] PMID:26364855 Reaxys:9819448 SM(d18:0/0:0) chebi_ontology dihydrosphingosine-1-phosphocholine dihydrosphingosylphosphorylcholine sphinganine ammonium betaine phosphosphingolipid phosphocholines