1-Piperazineethanol, 4-(p-chlorobenzyl)-alpha-(1,3-dimethyl-7-xanthinylmethyl)- 19971-93-8 5-26-14-00058 (Beilstein Handbook Reference) 7-(3-(4-((4-Chlorophenyl)methyl)-1-piperazinyl)-2-hydroxypropyl)-3,7-di hydro-1,3-dimethyl-1H-purine-2,6-dione BRN 0595054 SP-1131 Theophylline, 7-(3-(4-(p-chlorobenzyl)-1-piperazinyl)-2-hydroxypropyl)-