7-(2-Benzoyloxy-3-(4-(o-chlorobenzyl)-1-piperazinyl)propyl)theophyllin e

3-[4-(o-Chlorobenzyl)-1-piperazinyl]-1-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purin-7-yl)propan-2-ol benzoate