methyl 4-(4-((2,5-diamino-6-oxo-1,6-dihydropyrimidin-4-yl)amino)-3-oxobutoxy)benzoate

1-[N-(2-amino-4-hydroxy-5-nitropyrimidin-6-yl)amino]-4-[p-(carbomethoxy)phenoxy]-2-butanone

1-[N-(2-amino-4-hydroxy-5-nitropyrimidin-6-yl)amino]-4-[p-(carbomethoxy)phenoxy]-2-butanone oxime

1-bromo-4-[p-(carbomethoxy)phenoxy]2-butanone