1-Piperazineethanol, alpha-(1,3-dimethyl-7-xanthinylmethyl)-4-(p-methoxybenzyl)- 19972-00-0 5-26-14-00059 (Beilstein Handbook Reference) BRN 0595373 Theophylline, 7-(2-hydroxy-3-(4-(p-methoxybenzyl)-1-piperazinyl)propyl)-