The molecule is an N-acyl-L-alpha-amino acid anion that is the conjugate base of N-[(15S)-hydroperoxy-(5Z,8Z,11Z,13E)-icosatetraenoyl]alanine, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a N-[(15S)-hydroperoxy-(5Z,8Z,11Z,13E)-icosatetraenoyl]alanine.
(2S)-2-[[(5Z,8Z,11Z,13E,15S)-15-hydroperoxyicosa-5,8,11,13-tetraenoyl]amino]propanoate