4(Z),10(Z),13(Z),16(Z)-Docosatetraenoic acid methyl ester is a long chain polyunsaturated fatty acid. It is a minor fatty acid component of rat testis lipids.[1] The methyl ester is a neutral, more lipophilic form of the free acid.
References:
[1].Yu, Q.T., Liu, B.N., Zhang, J.Y., et al.Location of double bonds in fatty acids of fish oil and rat testis lipids. Gas chromatography-mass spectrometry of the oxazoline derivativesLipids24(1)79-83(1989).
















