Azathymidine

3,4,5-trihydroxypentanoic acid

3,4,5-trihydroxypentanal

2-deoxy-<small>d</small>-ribose

(3<i>s</i>,4<i>r</i>,5<i>r</i>)-3,4-dihydroxy-5-(hydroxymethyl)dihydro-2(3<em>h</em>)-furanone

Methanol