8-(2-diethylamino-ethoxy)-1,3,7-trimethyl-3,7-dihydro-purine-2,6-dione, hydrochloride

N-(1,3-dimethyl-2,4,6-trioxo-hexahydro-pyrimidin-5-yl)-N-methyl-urea

4,5-dimethoxy-1,3,7-trimethyl-tetrahydro-purine-2,6,8-trione

氢碘酸

8-methoxy-1,3,7-trimethylpurine-2,6-dione