(R)-7-beta-Hydroxyethyl-8-(1'-hydroxybut-2'-yl)aminotheophylline 119324-85-5 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-7-(2-hydroxyethyl)-8-((1-(hydroxymethyl)propyl)amino)-, (R)- 1H-Purine-2,6-dione, 3,7-dihydro-7-(2-hydroxyethyl)-8-((1-(hydroxymethyl)propyl)amino)-1,3,-dimethyl-, (R)-