(((2R,3S,4R,5R)-5-(2-Amino-6-oxo-3,6-dihydro-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl) methyl) ((2R,3S,4R,5S,6S)-3,4,5-trihy droxy-6-methyltetrahydro-2H-pyran-2-yl) dihydrogen diphosphate,98+% 1 * 0,5 g