Synonyms: 8,8'-propane-1,3-diylbis(1,3-dimethyl-3,7-dihydro-1h-purine-2,6-dione);34330-88-6;NSC14406;AC1L5DW5;AC1Q6KC9;1,3-Bis(8-theophylline)propane;AR-1H4160;NSC-14406;Theophylline (8CI),8'-trimethylenedi-;8,3-dimethylpurine-2,6(1H,3H)-dione;1H-Purine-2, 8,8'-(1,3-propanediyl)bis(3,7-dihydro-1,3-dimethyl-;8-[3-(1,3-dimethyl-2,6-dioxo-7H-purin-8-yl)propyl]-1,3-dimethyl-7H-purine-2,6-dione