1-O-(2-Methyloctadecyl)-2-O-acetyl-rac-glycero-3-phosphocholine 138852-22-9 2-Methyl-C18-paf 2-Methyloctadecyl paf 3,5,9-Trioxa-4-phosphaheptacosan-1-aminium, 7-(acetyloxy)-4-hydroxy-N,N,N,11-tetramethyl-, hydroxide, inner salt, 4-oxide