(S)-5-羟甲基二氢呋喃-2-酮

((2S,5R)-5-(4-acetamido-2-oxopyrimidin-1(2H)-yl)-2,5-dihydrofuran-2-yl)methyl 2-acetoxybenzoate

N4-acetyl-2',3'-didehydro-2',3'-dideoxycytidine

N-乙酰基-5'-O-[(叔丁基)二甲基硅烷基]胞苷

N4-acetyl-5'-O-(tert-butyldimethylsilyl)-2',3'-bis-O-[(methylthio)thiocarbonyl]cytidine