115494-53-6 2',2'-Dmc 2'-Deoxy-2'-C-methylcytidine 2'-Deoxy-2'-methylcytidine 2'-Methyl-2'-deoxycytidine 2(1H)-Pyrimidinone, 4-amino-1-(2-deoxy-2-methyl-beta-D-arabinofuranosyl)-