The molecule is an anionic phospholipid obtained by deprotonation of the free carboxy group of 1-hexadecyl-2-glutaryl-sn-glycero-3-phosphocholine; major species at pH 7.3. It is an anionic phospholipid and a monocarboxylic acid anion. It is a conjugate base of a 1-hexadecyl-2-glutaryl-sn-glycero-3-phosphocholine.
5-[(2R)-1-hexadecoxy-3-[oxido-[2-(trimethylazaniumyl)ethoxy]phosphoryl]oxypropan-2-yl]oxy-5-oxopentanoate