2,3-dideoxy-L-arabino-heptono-1,4-lactone

(S)-(-)-Tetrahydro-5-oxo-2-furancarboxaldehyde

tert-butyl(((2S)-5-methoxytetrahydrofuran-2-yl)methoxy)dimethylsilane

2,2-Dimethyl-propionic acid (2R,3R,5R)-5-(4-amino-2-oxo-2H-pyrimidin-1-yl)-3-chloro-tetrahydro-furan-2-ylmethyl ester

((2R,3S,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-3-chlorotetrahydrofuran-2-yl)methyl pivalate