1 TPW 2-{4-[(4-amino-2-methylpyrimidin-5-yl)methyl]-3-methylthiophen-2-yl}ethyl trihydrogen diphosphate 1.000 2 R1T 2-{4-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-[(1r)-1-hydroxyethyl]-3-methyl-2-thienyl}ethyl trihydrogen diphosphate 0.897 3 S1T 2-{4-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-[(1s)-1-hydroxyethyl]-3-methyl-2-thienyl}ethyl trihydrogen diphosphate 0.897 4 1U0 2-{4-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-[(1r)-1,2-dihydroxyethyl]-3-methylthiophen-2-yl}ethyl trihydrogen diphosphate 0.867