2-(Trimethylammonio)ethyl dodecyl phosphate 29557-51-5 Choline, hydroxide, dodecyl hydrogen phosphate, inner salt (8CI) D 23170 Dodecylphosphocholine Ethanaminium, 2-[[(dodecyloxy)hydroxyphosphinyl]oxy]-N,N,N-trimethyl-, inner salt (9CI) FOS-Choline 12 ethanaminium, 2-[[(dodecyloxy)hydroxyphosphinyl]oxy]-N,N,N-trimethyl-, inner salt n-Dodecylphosphocholine n-Dodecylphosphorylcholine