Robuta

https://en.wikipedia.org/wiki/Diterpene
diterpenewikipedia
https://pubmed.ncbi.nlm.nih.gov/31666870/
currentunderstandingbiotechnologicalapplicationbacterial
https://www.mdpi.com/1420-3049/12/10/2279
The relative stereochemistry of 3,4-secoisopimara-4(18),7,15-triene-3-oic acid, a diterpenoid with antispasmodic, hypotensive and antibacterial activities...
relativestereochemistryditerpenesalvia