. "5-Methylcytidine" . . "5-Methylcytidine" . . . . . "m5C" . "4-Amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidin-2(1H)-one" . . . . "5-methylcytidine" . . . . . "5-Methylcytidine" . . .