18 | 4 | 6Z,9Z,12Z,15Z | stearidonic | | | Seed oils of hemp, blackcurrant, corn gromwell 18 | 4 | 6Z,9Z,12Z,15Z | stearidonic | | CAS 20290-75-9 | found in sardine oil and herring oil 18 | 4 | | stearidonic | | |