5'''-O-Feruloyl complanatoside B is isolated from Astragali Semen, the seeds of?Astragalus?Complanatus. Semen Astragali Complanati (SAC) include fatty acids, amino acids, polysaccharides, flavonoids, triterpene glycosides and trace elements; have been reported to involve in chronic diseases such as cardiovascular diseases, diabetes mellitus and cancers.

It is a small molecular drug, active to Ig heavy chain V-I region and Ig gamma-2 chain C region.

Ethyl tridecanoate is an industrial lubricant that can be used in synthetic fragrances, dyes, and plastics.