2'-methyl-2'-deoxyidenecytidine [ DMDC,1-(2-deoxy-2-methylene-erythro-pentofuranosyl)cytidine,2'-deoxy-2'-methylenecytidine,2'-deoxy-2'-methylidenecytidine,2'-methyl-2'-deoxyidenecytidine hydrochloride ] RN & structure given in first source; RN given refers to parent cpd