Synonyms: 3,5,9-Trioxa-4-phosphaheptacosan-1-aminium,7-(acetyloxy)-4-hydroxy-N,N,N-trimethyl-10-oxo-, inner salt, 4-oxide, (R)-;1-O-Octadecyl-2-O-acetyl-sn-glycero-3-phosphocholine;1-O-Stearoyl-2-O-acetyl-sn-glyceryl-3-phosphorylcholine;1-Stearoyl-2-acetyl-sn-glycero-3-phosphorylcholine