1,3-Diethyl-7-(5,6-dihydroxyhexyl)xanthine hydrate 1H-Purine-2,6-dione, 3,7-dihydro-1,3-diethyl-7-(5,6-dihydroxyhexyl)-, hydrate 3,7-Dihydro-1,3-diethyl-7-(5,6-dihydroxyhexyl)-1H-purine-2,6-dione hydrate 86256-99-7