1,3-Distearoylglycero-2-phosphocholine 4-Hydroxy-N,N,N-trimethyl-9-oxo-6-(((1-oxooctadecyl)oxy)methyl)-3,5,8-trioxa-4-phosphahexacosan-1-aminium, hydroxide, inner salt, 4-oxide 5655-10-7 beta-Lecithin