133733-42-3 3,5-Dioxa-8-aza-4-phosphaundec-10-en-1-aminium, 4-hydroxy-7-(1-hydroxy-2-hexadecenyl)-N,N,N-trimethyl-9-oxo-11-(1-pyrenyl)-, hydroxide, inner salt, 4-oxide, (R-(R*,S*-(Z,E)))- 4-Hydroxy-7-(1-hydroxy-2-hexadecenyl)-N,N,N-trimethyl-9-oxo-11-(1-pyrenyl)-3,5-dioxa-8-aza-4-phosphaundec-10-en-1-aminium hydroxide, inner salt, 4-oxide, (R-(R*,S*-(Z,E)))- N-(3-(1-Pyrene)propenoyl)sphingomyelin P3,1-Spm