Synonyms: Choline,hydroxide, dihydrogen phosphate, inner salt, ester with 2-palmito-1-stearin(8CI); Choline, phosphate, ester with 2-palmito-1-stearin (7CI); Stearin,2-palmito-1-, dihydrogen phosphate, monoester with choline hydroxide, innersalt (8CI); 1-Stearoyl-2-palmitoyl lecithin; 1-Stearoyl-2-palmitoylphosphatidyl choline; SPPC