5-acetoxy-9-acetyl-4-chloro-4,5-dihydrouric acid

1H-Purine-2,6,8(9H)-trione, 5-chloro-5,7-dihydro-1,7-dimethyl-

4,5-diethoxy-1,7-dimethyl-tetrahydro-purine-2,6,8-trione

氢碘酸

N-(5-methoxy-1-methyl-2,4,6-trioxo-hexahydro-pyrimidin-5-yl)-N-methyl-urea