英文名称
9-[(1S,3R,4S,7R)-1-ethyl-5-methoxy-7-methyl-2-oxa-5-azabicyclo[2.2.1]heptan-3-yl]-2-methyl-1H-purin-6-one;[(2S,3R,4R,5R)-2-ethyl-3-methyl-5-(2-methyl-6-oxo-1H-purin-9-yl)-4-(trifluoromethylsulfonyloxy)oxolan-2-yl]methyl trifluoromethanesulfonate