(1)-(4-Oxido-10-oxo-7-palmitoyl-3,5,9-trioxa-4-phosphapentacosyl)trimethylammonium 4-oxide 2797-68-4 Choline, hydroxide, dihydrogen phosphate, inner salt, ester with 1,2-dipalmitin, DL- DL-Dipalmitoyllecithin EINECS 220-530-8