1 FTG (2s,5s)-2-amino-6-[(2r,3s,4r,5r)-5-(6-amino-9h-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]-5-[(benzylamino)methyl]-N-[2-(4-hydroxyphenyl)ethyl]hexanamide 1.000 2 HDG (2r,5s)-2-amino-6-[(2r,3s,4r,5r)-5-(6-amino-9h-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]-5-[(benzylamino)methyl]-N-[2-(4-methoxyphenyl)ethyl]hexanamide (non-preferred name) 0.935