Synonyms: BRN 0620806;7-(beta-Hydroxybutyl)theophylline;Theophylline, 7-(2-hydroxybutyl)-;1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-7-(2-hydroxybutyl)-;1H-Purine-2,6-dione, 3,7-dihydro-7-(2-hydroxybutyl)-1,3-dimethyl-;3,7-Dihydro-1,3-dimethyl-7-(2-hydroxybutyl)-1H-purine-2,6-dione;7-(2-hydroxybutyl)-1,3-dimethyl-3,7-dihydro-1h-purine-2,6-dione;AC1Q6LE9;AC1L554M;AR-1H2686;LS-126871;7-(2-hydroxybutyl)-1,3-dimethylpurine-2,6-dione;41011-02-3