1-[(2R,4S,5S)-5-(hydroxymethyl)-4-prop-2-enyloxolan-2-yl]-5-methylpyrimidine-2,4-dione

Acetic acid (2R,3S,5R)-2-{4-[(2S,3R,5R)-2-formyl-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl]-3-oxo-butyl}-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester

(2R,3S,5R)-2-(4-((2S,3R,5R)-2-(hydroxymethyl)-5-(5-methyl-2,4-dioxo-3-((2-(trimethylsilyl)ethoxy)methyl)-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl)-3-oxobutyl)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl acetate