草酸

1-(2’-O,4-C-甲桥-beta-D-呋喃核糖基)胸腺嘧啶

1-[(2R,4S)-4-azido-5-[(1R)-1,2-dihydroxyethyl]oxolan-2-yl]-5-methylpyrimidine-2,4-dione

(1S,2S)-4-methylcyclohex-4-ene-1,2-dicarboxylic acid

1-[(2R,4S,5R)-4-羟基-5-(羟基甲基)四氢噻吩-2-基]-5-甲基嘧啶-2,4-二酮