英文名称
2-amino-9-[(1R,3R,4R,7S)-1-ethyl-5-(2-methoxyethoxy)-7-methyl-2-oxa-5-azabicyclo[2.2.1]heptan-3-yl]-1H-purin-6-one;3-[[(1S,3R,4R,7S)-1-ethyl-5-(2-methoxyethoxy)-3-(2-methyl-6-oxo-1H-purin-9-yl)-2-oxa-5-azabicyclo[2.2.1]heptan-7-yl]oxy-methylphosphanyl]oxypropanenitrile;9-[(1R,3R,4R,7S)-7-hydroxy-1-(hydroxymethyl)-5-(2-methoxyethoxy)-2-oxa-5-azabicyclo[2.2.1]heptan-3-yl]-2-methyl-1H-purin-6-one