(1,3-bis(methoxymethyl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-6-yl)methyl acetate

N-((1,3-bis(methoxymethyl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-6-yl)methyl)-N-nitrosoacetamide

2-乙氧亚甲基乙酰乙酸乙酯