4-amino-1-((2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one-13C3;4-Amino-1-?-D-arabinofuranosyl-2(1H)pyrimidinone-13C3; Cytosine-?-D-arabinofuranoside-13C3;Cytarabine-13C3
4-amino-1-((2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one-13C3;4-Amino-1-?-D-arabinofuranosyl-2(1H)pyrimidinone-13C3; Cytosine-?-D-arabinofuranoside-13C3;Cytarabine-13C3