1H-Purine-2,6-dione, 3,7-dihydro-7-(5,6-dihydroxyhexyl)-1-methyl-3-propyl- 3,7-Dihydro-7-(5,6-dihydroxyhexyl)-1-methyl-3-propyl-1H-purine-2,6-dione 86257-34-3