The molecule is a member of the class of pyrimidine ribonucleosides that is zebularine in which the double bond between positions 3 and 4 of the pyrimidone ring has been reduced to a single bond. It is a pyrimidone and a member of pyrimidine ribonucleosides. It derives from a zebularine.
3-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,6-dihydropyrimidin-2-one