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

2-Furancarboxylic acid, 2,5-dihydro-2,5-dimethoxy-, ethyl ester

甲基2,5-二氢-2,5-二甲氧基-2-呋喃羧酸

2-糠酸乙酯

5-甲基脲嘧啶