cis-11,14,17-Eicosatrienoic acid methyl ester (Standard) is the standard substance of cis-11,14,17-Eicosatrienoic acid methyl ester, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. cis-11,14,17-Eicosatrienoic acid methyl ester is a natural product.