The molecule is an ammonium ion that is the conjugate acid of (S)-1,2-distearoylphosphatidylethanolamine, arising from protonation of the amino group. It is a conjugate acid of a (S)-1,2-distearoylphosphatidylethanolamine.
2-[[(2S)-2,3-di(octadecanoyloxy)propoxy]-hydroxyphosphoryl]oxyethylazanium