4,4-二乙氧基-3-氧代-戊酸乙酯

2-amino-6-(1,1-diethoxyethyl)-1H-pyrimidin-4-one

2-acetamido-6-(1,1-diethoxyethyl)-4(1H)-pyrimidinone

[2-(2-acetamido-4-oxo-1H-pyrimidin-6-yl)-2,2-diethoxyethyl] methyl carbonate

N-[6-(1-ethoxyethenyl)-4-oxo-1H-pyrimidin-2-yl]acetamide