Euphorbia factor L7a, a diterpenoid compound, can be isolated from the seeds of Euphorbia lathyris[1].
References
[1] Hou XR, et al. Analysis and determination of diterpenoids in unprocessed and processed Euphorbia lathyris seeds by HPLC-ESI-MS. J Pharm Anal. 2011;1(3):197-202. DOI:10.1016/j.jpha.2011.06.003