118578-43-1 3,5-Dioxa-8-aza-4-phosphaeicosan-1-aminium, 4-hydroxy-7-(1-hydroxy-2-pentadecenyl)-N,N,N-trimethyl-9-oxo-20-((1-pyrenylsulfonyl)amino)-, hydroxide, inner salt, 4-oxide, (R-(R*,S*-(E)))- N-(12-((1-Pyrenesulfonyl)amido)dodecanoyl)sphingosylphosphorylcholine Psa12-spm