The molecule is a fatty acid-taurine conjugate obtained by deprotonation of the sulfonate group of N-arachidonoyltaurine; major species at pH 7.3. It is a conjugate base of a N-arachidonoyltaurine.
2-[[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]amino]ethanesulfonate