1-Piperazineethanol, 4-benzyl-alpha-(1,3-dimethyl-7-xanthinylmethyl)- 19971-94-9 1H-Purine-2,6-dione, 3,7-dihydro-7-(2-hydroxy-3-(4-(phenylmethyl)-1-piperazinyl)propyl)-1,3-dimethyl- 5-26-14-00058 (Beilstein Handbook Reference) 7-(beta-Hydroxy-gamma-benzylpiperazinopropyl)theophylline BRN 0592463 Theophylline, 7-(3-(4-benzyl-1-piperazinyl)-2-hydroxypropyl)-