N-乙酰胞嘧啶核苷

1-((2R,5S)-5-(hydroxymethyl)tetrahydrofuran-2-yl)-4-methoxypyrimidin-2(1H)-one

1-[2,3-dideoxy-5-O-(4-phenybenzoyl)-β-D-glycero-pentofuranosyl]-4-(isobutyrylamino)-2(1H)-pyrimidinone*0.25H2O

N4,O5'-diacetyl-2',3'-dideoxycytidine

N-[1-[(2R,5S)-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]benzamide