133733-41-2 3,5-Dioxa-8-aza-4-phosphanonadecan-1-aminium, 4-hydroxy-7-(1-hydroxy-2-hexadecenyl)-N,N,N-trimethyl-9-oxo-19-((1-pyrenylsulfonyl)amino)-, hydroxide, inner salt, 4-oxide, (R-(R*,S*-(E)))- 4-Hydroxy-7-(1-hydroxy-2-hexadecenyl)-N,N,N-trimethyl-9-oxo-19-((1-pyrenylsulfonyl)amino)-3,5-dioxa-8-aza-4-phosphanonadecan-1-aminium hydroxide, inner salt, 4-oxide, (R-(R*,S*-(E)))- N-(11-(1-Pyrene)sulfonylaminoundecanoyl)sphingomyelin Psa11-spm