149741-44-6 1H-Purine-2,6-dione, 3,7-dihydro-3-(2-(4-aminophenyl)ethyl)-8-(dicyclopropylmethyl)-1-propyl- 3,7-Dihydro-3-(2-(4-aminophenyl)ethyl)-8-(dicyclopropylmethyl)-1-propyl-1H-purine-2,6-dione 3-(3-Aminophenethyl)-8-dicyclopropylmethyl-1-propylxanthine