112989-02-3 3,5-Dioxa-9-aza-4-phosphaheptacosan-1-aminium, 7-ethoxy-4-hydroxy-N,N,N-trimethyl-10-oxo-, hydroxide, inner salt, 4-oxide, (+-)- 3-Octadecanamido-2-ethoxypropylphosphocholine 3-Oeppc NSC 624874