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