上游原料
Cytidine; 4-amino-1-((2S,3S,4S,5S)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one;4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-2(1H)-pyrimidinone1-(2-diazo-1-phenylethyl)benzeneCytarabine; Cytosine Beta-D-Arabinofuranoside; 4-amino-1-[(2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-2(1H)-pyrimidinonedocosanoic anhydride