Nonyl Deoctyl Fingolimod Hydrochloride is a derivative of Fingolimod (F805000), a derivative of ISP-1 (myriocin), a fungal metabolite of the Chinese herb Iscaria sinclarii as well as a structural analogue of Sphingosine. FTY720 is a novel immune modulator that prolongs allograft transplant survival in numberour models by inhibiting lymphocyte emigration from lymphoid organs.