1-Piperazineethanol, 4-(p-chlorobenzyl)-alpha-(1,3-dimethyl-7-xanthinylmethyl)-, acetate (ester) 20630-44-8 5-26-14-00059 (Beilstein Handbook Reference) BRN 0598468 Theophylline, 7-(2-acetoxy-3-(4-(p-chlorobenzyl)-1-piperazinyl)propyl)-