Linked from
The 7 pages that link to Farnesyl pyrophosphate, each with the reason it gives.
SqualeneRelated: Two molecules of this precursor are joined to form squalene.
SesquiterpeneRelated: Sesquiterpene synthases commonly use this three-unit precursor.
HumuleneRelated: Humulene synthase converts this precursor into humulene.
CaryophylleneRelated: Caryophyllene synthases use this precursor to form the sesquiterpene skeleton.
Mevalonic acidRelated: It is a major downstream branch point reached from mevalonate-derived units.