1-Octadecyl-2-methylphosphorylcholine 3,5,9-Trioxa-4-phosphaheptacosan-1-aminium, 4-hydroxy-7-methoxy-N,N,N-trimethyl-, hydroxide, inner salt, 4-oxide 65492-82-2 Choline, 1-octadecyl-2-methoxy-3-phosphoryl- NSC343649