(2R,3R,3aS,9aR)-2-(hydroxymethyl)-6-imino-3,3a,6,9a-tetrahydro-2H-furo[2',3':4,5]oxazolo[3,2-a]pyrimidin-3-ol hydrochloride

for the following products (-)-Cyclocytidine hydrochloride | 2,2'-Anhydro-1-beta-D-arabinofuranosylcytosine hydrochloride | 2,2'-Anhydrocytidine hydrochloride | Ancitabine hydrochloride and (2R,3R,3aS,9aR)-2-(hydroxymethyl)-6-imino-3,3a,6,9a-tetrahydro-2H-furo[2',3':4,5]oxazolo[3,2-a]pyrimidin-3-ol hydrochloride