SMILES: CCCCC[C@@H](/C=C/[C@H]1[C@H]2C[C@@H]([C@@H]1C/C=C\\CCCC(=O)O[C@H](CO)COP(=O)([O-])OCC[NH3+])OO2)O
Description: The molecule is a 2-acyl-sn-glycero-3-phosphoethanolamine zwitterion obtained by transfer of a proton from the phosphate to the amino group of 2-[(9S,11R)-epidioxy-(15S)-hydroxy-(5Z,13E)-prostadienoyl]-sn-glycero-3-phosphoethanolamine; major species at pH 7.3. It is a tautomer of a 2-[(9S,11R)-epidioxy-(15S)-hydroxy-(5Z,13E)-prostadienoyl]-sn-glycero-3-phosphoethanolamine.