1H-Purine-2,6-dione, 8-(3-(dimethylamino)propoxy)-3,7-dihydro-1,3,7-trimethyl- 65497-24-7 8-(3-(Dimethylamino)propoxy)-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione 80539-94-2 Proksifein Proxifeine