Pyrithioxin (Bonifen, Encefabol, Pyritinol, Vitamin B6 disulfide) Dihydrochloride is a neurotropic agent which reduces permeability of blood-brain barrier to phosphate with no vitamin B6 activity.
[1] H Hartmann, et al. Neuropharmacology. 1993 Feb;32(2):119-25.
















