3,5,9-Trioxa-4-phosphaheptacosan-1-aminium, 7-(acetyloxy)-4-hydroxy-N,N,N-trimethyl-10-oxo-, hydroxide, inner salt, 4-oxide, (R)- 7-(Acetyloxy)-4-hydroxy-N,N,N-trimethyl-10-oxo-3,5,9-trioxa-4-phosphaheptacosan-1-aminium hydroxide, inner salt, 4-oxide, (R)- 79549-26-1 Platelet-activating factor C18