Quassins

**Definition:** A group of degraded TRITERPENES which have lost ten carbons (8 from the side chain, C17, and one from C4) so have C20 skeletons which could be misinterpreted as DITERPENES. They especially occur in plants of the SIMAROUBACEAE family.

**Tree numbers:** - D02.455.849.919.570

**Synonyms:** - Quassinoid - Quassinoids