4-amino-2-oxo-2,3-dihydropyrimidin-1-ium 1-hydroxy-2-(1H,3H-imidazol-3-ium-1-yl)ethylidenediphosphonate trihydrate
4-amino-2-oxo-2,3-dihydropyrimidin-1-ium 1-hydroxy-2-(1h,3h-imidazol-3-ium-1-yl)ethylidenediphosphonate trihydrate