1 CFV [(2r)-1-(4-amino-2-oxo-pyrimidin-1-yl)-3-hydroxy-propan-2-yl]oxymethylphosphonic acid 1.000 2 L8P ({[(2s)-1-(4-amino-2-oxopyrimidin-1(2h)-yl)-3-hydroxypropan-2-yl]oxy}methyl)phosphonic acid 1.000