8-Benzyltetrahydropyrazino[2,1-f]purinediones: water-soluble tricyclic xanthine derivatives as multitarget drugs for neurodegenerative diseases.

8-Benzyltetrahydropyrazino[2,1-f]purinediones: water-soluble tricyclic xanthine derivatives as multitarget drugs for neurodegenerative diseases.