105522-56-3 1H-Purine-2,6-dione, 3,7-dihydro-8-(hexahydro-1H-azepin-1-yl)-3-methyl-7-(2-phenoxyethyl)- 7-(2-Phenoxyethyl)-8-(hexahydro-1H-azepin-1-yl)-3-methylxanthine 8-(Hexahydro-1H-azepin-1-yl)-3,7-dihydro-3-methyl-7-(2-phenoxyethyl)-1H-purine-2,6-dione